diff --git a/CHANGELOG.md b/CHANGELOG.md
index cda79f6..fc0946c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [2.0.0]
+
+- Migrated to null safety
+
 ## [1.2.0]
 
 - Changed blob generator logic
diff --git a/example/lib/common/app_shell.dart b/example/lib/common/app_shell.dart
index 5d47110..25b3192 100644
--- a/example/lib/common/app_shell.dart
+++ b/example/lib/common/app_shell.dart
@@ -2,8 +2,8 @@ import 'package:flutter/material.dart';
 
 class AppShell extends StatelessWidget {
   final String title;
-  final Widget child;
-  const AppShell({Key key, this.title, this.child}) : super(key: key);
+  final Widget? child;
+  const AppShell({Key? key, required this.title, this.child}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/common/button.dart b/example/lib/common/button.dart
index f1b1c2c..51a3107 100644
--- a/example/lib/common/button.dart
+++ b/example/lib/common/button.dart
@@ -2,8 +2,8 @@ import 'package:flutter/material.dart';
 
 class Button extends StatelessWidget {
   final String label;
-  final Function onTap;
-  const Button(this.label, {Key key, this.onTap}) : super(key: key);
+  final VoidCallback? onTap;
+  const Button(this.label, {Key? key, this.onTap}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/animated/animated_basic.dart b/example/lib/examples/animated/animated_basic.dart
index fc428c3..91aca98 100644
--- a/example/lib/examples/animated/animated_basic.dart
+++ b/example/lib/examples/animated/animated_basic.dart
@@ -5,7 +5,7 @@ import '../../common/app_shell.dart';
 import '../../common/button.dart';
 
 class AnimatedBasicExample extends StatelessWidget {
-  const AnimatedBasicExample({Key key}) : super(key: key);
+  const AnimatedBasicExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/animated/animated_child.dart b/example/lib/examples/animated/animated_child.dart
index d36aa28..efea8bb 100644
--- a/example/lib/examples/animated/animated_child.dart
+++ b/example/lib/examples/animated/animated_child.dart
@@ -4,7 +4,7 @@ import '../../common/app_shell.dart';
 import '../../common/button.dart';
 
 class AnimatedChildExample extends StatelessWidget {
-  const AnimatedChildExample({Key key}) : super(key: key);
+  const AnimatedChildExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/animated/animated_color.dart b/example/lib/examples/animated/animated_color.dart
index ad9734e..6362589 100644
--- a/example/lib/examples/animated/animated_color.dart
+++ b/example/lib/examples/animated/animated_color.dart
@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedColorExample extends StatelessWidget {
-  const AnimatedColorExample({Key key}) : super(key: key);
+  const AnimatedColorExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/animated/animated_debug.dart b/example/lib/examples/animated/animated_debug.dart
index 8e60a96..0b1b54a 100644
--- a/example/lib/examples/animated/animated_debug.dart
+++ b/example/lib/examples/animated/animated_debug.dart
@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedDebugExample extends StatelessWidget {
-  const AnimatedDebugExample({Key key}) : super(key: key);
+  const AnimatedDebugExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/animated/animated_gradient.dart b/example/lib/examples/animated/animated_gradient.dart
index 2ed790f..19bbb37 100644
--- a/example/lib/examples/animated/animated_gradient.dart
+++ b/example/lib/examples/animated/animated_gradient.dart
@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedGradientExample extends StatelessWidget {
-  const AnimatedGradientExample({Key key}) : super(key: key);
+  const AnimatedGradientExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/animated/animated_hash.dart b/example/lib/examples/animated/animated_hash.dart
index d0a5d63..89ec6ff 100644
--- a/example/lib/examples/animated/animated_hash.dart
+++ b/example/lib/examples/animated/animated_hash.dart
@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedHashExample extends StatelessWidget {
-  const AnimatedHashExample({Key key}) : super(key: key);
+  const AnimatedHashExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/animated/animated_multiple_hash.dart b/example/lib/examples/animated/animated_multiple_hash.dart
index 210907e..be36a9f 100644
--- a/example/lib/examples/animated/animated_multiple_hash.dart
+++ b/example/lib/examples/animated/animated_multiple_hash.dart
@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedMultipleHashExample extends StatefulWidget {
-  const AnimatedMultipleHashExample({Key key}) : super(key: key);
+  const AnimatedMultipleHashExample({Key? key}) : super(key: key);
 
   @override
   _AnimatedMultipleHashExampleState createState() =>
@@ -12,7 +12,7 @@ class AnimatedMultipleHashExample extends StatefulWidget {
 
 class _AnimatedMultipleHashExampleState
     extends State<AnimatedMultipleHashExample> {
-  Color clr;
+  Color? clr;
   @override
   Widget build(BuildContext context) {
     BlobController blobCtrl = BlobController();
diff --git a/example/lib/examples/animated/animated_stroke.dart b/example/lib/examples/animated/animated_stroke.dart
index c5daf20..5c91ac4 100644
--- a/example/lib/examples/animated/animated_stroke.dart
+++ b/example/lib/examples/animated/animated_stroke.dart
@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedStrokeExample extends StatelessWidget {
-  const AnimatedStrokeExample({Key key}) : super(key: key);
+  const AnimatedStrokeExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/animated/annimated_loop.dart b/example/lib/examples/animated/annimated_loop.dart
index 5ee7f36..3bc08a8 100644
--- a/example/lib/examples/animated/annimated_loop.dart
+++ b/example/lib/examples/animated/annimated_loop.dart
@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedLoopExample extends StatelessWidget {
-  const AnimatedLoopExample({Key key}) : super(key: key);
+  const AnimatedLoopExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/examples.dart b/example/lib/examples/examples.dart
index 7c769e8..5454ecd 100644
--- a/example/lib/examples/examples.dart
+++ b/example/lib/examples/examples.dart
@@ -24,7 +24,7 @@ import 'inspirations/frame.dart';
 import 'inspirations/bottomclip.dart';
 
 class Examples extends StatelessWidget {
-  const Examples({Key key}) : super(key: key);
+  const Examples({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/inspirations/bottomclip.dart b/example/lib/examples/inspirations/bottomclip.dart
index 5b49752..ec65790 100644
--- a/example/lib/examples/inspirations/bottomclip.dart
+++ b/example/lib/examples/inspirations/bottomclip.dart
@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class BottomClipInspirationExample extends StatelessWidget {
-  const BottomClipInspirationExample({Key key}) : super(key: key);
+  const BottomClipInspirationExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -52,7 +52,7 @@ class MyClipper extends CustomClipper<Path> {
 
     var sqPath = Path()
       ..addRect(Rect.fromLTWH(0, 0, size.width, size.height / 2));
-    var blobPath = connectPoints(blobData.curves);
+    var blobPath = connectPoints(blobData.curves!);
 
     return Path.combine(PathOperation.union, blobPath, sqPath);
   }
diff --git a/example/lib/examples/inspirations/frame.dart b/example/lib/examples/inspirations/frame.dart
index aea3d2d..9ea968a 100644
--- a/example/lib/examples/inspirations/frame.dart
+++ b/example/lib/examples/inspirations/frame.dart
@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class FrameInspirationExample extends StatelessWidget {
-  const FrameInspirationExample({Key key}) : super(key: key);
+  const FrameInspirationExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/inspirations/rotate.dart b/example/lib/examples/inspirations/rotate.dart
index 574429b..fc0de67 100644
--- a/example/lib/examples/inspirations/rotate.dart
+++ b/example/lib/examples/inspirations/rotate.dart
@@ -4,7 +4,7 @@ import 'package:flutter/material.dart';
 import '../../common/app_shell.dart';
 
 class RotateInpirationExample extends StatefulWidget {
-  const RotateInpirationExample({Key key}) : super(key: key);
+  const RotateInpirationExample({Key? key}) : super(key: key);
 
   @override
   _RotateInpirationExampleState createState() =>
@@ -13,8 +13,8 @@ class RotateInpirationExample extends StatefulWidget {
 
 class _RotateInpirationExampleState extends State<RotateInpirationExample>
     with SingleTickerProviderStateMixin {
-  AnimationController _animationController;
-  Animation animation;
+  late AnimationController _animationController;
+  late Animation animation;
 
   @override
   void initState() {
diff --git a/example/lib/examples/static/static_basic.dart b/example/lib/examples/static/static_basic.dart
index 6b10cd4..2efc66b 100644
--- a/example/lib/examples/static/static_basic.dart
+++ b/example/lib/examples/static/static_basic.dart
@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class StaticBasicExample extends StatelessWidget {
-  const StaticBasicExample({Key key}) : super(key: key);
+  const StaticBasicExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/static/static_child.dart b/example/lib/examples/static/static_child.dart
index 37dbb97..607f397 100644
--- a/example/lib/examples/static/static_child.dart
+++ b/example/lib/examples/static/static_child.dart
@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class StaticChildExample extends StatelessWidget {
-  const StaticChildExample({Key key}) : super(key: key);
+  const StaticChildExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/static/static_clipper.dart b/example/lib/examples/static/static_clipper.dart
index ba3d92d..015264e 100644
--- a/example/lib/examples/static/static_clipper.dart
+++ b/example/lib/examples/static/static_clipper.dart
@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class StaticClipperExample extends StatefulWidget {
-  const StaticClipperExample({Key key}) : super(key: key);
+  const StaticClipperExample({Key? key}) : super(key: key);
 
   @override
   _StaticClipperExampleState createState() => _StaticClipperExampleState();
diff --git a/example/lib/examples/static/static_color.dart b/example/lib/examples/static/static_color.dart
index d847842..1eb5ed6 100644
--- a/example/lib/examples/static/static_color.dart
+++ b/example/lib/examples/static/static_color.dart
@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class StaticColorExample extends StatelessWidget {
-  const StaticColorExample({Key key}) : super(key: key);
+  const StaticColorExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/static/static_debug.dart b/example/lib/examples/static/static_debug.dart
index 5034bc7..02a5a4c 100644
--- a/example/lib/examples/static/static_debug.dart
+++ b/example/lib/examples/static/static_debug.dart
@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class StaticDebugExample extends StatelessWidget {
-  const StaticDebugExample({Key key}) : super(key: key);
+  const StaticDebugExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/static/static_gradient.dart b/example/lib/examples/static/static_gradient.dart
index 188cb97..783eefa 100644
--- a/example/lib/examples/static/static_gradient.dart
+++ b/example/lib/examples/static/static_gradient.dart
@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class StaticGradientExample extends StatelessWidget {
-  const StaticGradientExample({Key key}) : super(key: key);
+  const StaticGradientExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/static/static_hash.dart b/example/lib/examples/static/static_hash.dart
index 42bc349..bcd4174 100644
--- a/example/lib/examples/static/static_hash.dart
+++ b/example/lib/examples/static/static_hash.dart
@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class StaticHashExample extends StatelessWidget {
-  const StaticHashExample({Key key}) : super(key: key);
+  const StaticHashExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/static/static_multiple_hash.dart b/example/lib/examples/static/static_multiple_hash.dart
index e21a0bf..ba7a70d 100644
--- a/example/lib/examples/static/static_multiple_hash.dart
+++ b/example/lib/examples/static/static_multiple_hash.dart
@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class StaticMultipleHashExample extends StatelessWidget {
-  const StaticMultipleHashExample({Key key}) : super(key: key);
+  const StaticMultipleHashExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/examples/static/static_stroke.dart b/example/lib/examples/static/static_stroke.dart
index ace0b46..ed91592 100644
--- a/example/lib/examples/static/static_stroke.dart
+++ b/example/lib/examples/static/static_stroke.dart
@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class StaticStrokeExample extends StatelessWidget {
-  const StaticStrokeExample({Key key}) : super(key: key);
+  const StaticStrokeExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 58172e8..acdccb0 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -26,7 +26,7 @@ class MyApp extends StatelessWidget {
 }
 
 class BasicExample extends StatelessWidget {
-  const BasicExample({Key key}) : super(key: key);
+  const BasicExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
diff --git a/example/pubspec.lock b/example/pubspec.lock
index c7e48f8..a575457 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -1,76 +1,90 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.13"
-  args:
-    dependency: transitive
-    description:
-      name: args
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.6.0"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.1"
+    version: "2.6.1"
   blobs:
     dependency: "direct main"
     description:
       path: ".."
       relative: true
     source: path
-    version: "1.2.0"
+    version: "2.0.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.3"
-  collection:
+    version: "1.2.0"
+  clock:
     dependency: transitive
     description:
-      name: collection
+      name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.12"
-  convert:
+    version: "1.1.0"
+  collection:
     dependency: transitive
     description:
-      name: convert
+      name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "1.15.0"
   crypto:
     dependency: transitive
     description:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.4"
+    version: "3.0.1"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "1.0.3"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -87,105 +101,105 @@ packages:
       name: google_fonts
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "2.0.0"
   http:
     dependency: transitive
     description:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.1"
+    version: "0.13.3"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.4"
-  image:
-    dependency: transitive
-    description:
-      name: image
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.12"
+    version: "4.0.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
+    version: "1.8.0"
   path_provider:
     dependency: transitive
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.8"
+    version: "2.0.1"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   path_provider_macos:
     dependency: transitive
     description:
       name: path_provider_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.4+2"
+    version: "2.0.0"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
-  pedantic:
+    version: "2.0.1"
+  path_provider_windows:
     dependency: transitive
     description:
-      name: pedantic
+      name: path_provider_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.0"
-  petitparser:
+    version: "2.0.1"
+  pedantic:
     dependency: transitive
     description:
-      name: petitparser
+      name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.0"
+    version: "1.11.0"
   platform:
     dependency: transitive
     description:
       name: platform
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.1"
+    version: "3.0.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
-  quiver:
+    version: "2.0.0"
+  process:
     dependency: transitive
     description:
-      name: quiver
+      name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.3"
+    version: "4.2.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -197,63 +211,70 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.15"
+    version: "0.3.0"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
-  xml:
+    version: "2.1.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.5"
+  xdg_directories:
     dependency: transitive
     description:
-      name: xml
+      name: xdg_directories
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.6.1"
+    version: "0.2.0"
 sdks:
-  dart: ">=2.7.0 <3.0.0"
-  flutter: ">=1.17.0 <2.0.0"
+  dart: ">=2.12.0 <3.0.0"
+  flutter: ">=1.20.0"
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index fbe13bd..fe08f26 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -18,15 +18,15 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
   flutter:
     sdk: flutter
   blobs:
     path: ..
-  cupertino_icons: ^0.1.3
-  google_fonts: ^1.1.0
+  cupertino_icons: ^1.0.3
+  google_fonts: ^2.0.0
 
 dev_dependencies:
   flutter_test:
diff --git a/lib/src/clipper/clipper.dart b/lib/src/clipper/clipper.dart
index 81c184a..8cbd195 100644
--- a/lib/src/clipper/clipper.dart
+++ b/lib/src/clipper/clipper.dart
@@ -4,7 +4,7 @@ import 'package:blobs/src/services/blob_generator.dart';
 import 'package:flutter/material.dart';
 
 class BlobClipper extends CustomClipper<Path> {
-  final String id;
+  final String? id;
   final int edgesCount;
   final int minGrowth;
   BlobClipper({
@@ -21,7 +21,7 @@ class BlobClipper extends CustomClipper<Path> {
       minGrowth: minGrowth,
       size: size,
     ).generate();
-    return connectPoints(blobData.curves);
+    return connectPoints(blobData.curves!);
   }
 
   @override
diff --git a/lib/src/config.dart b/lib/src/config.dart
index 2f9f98c..b4cdc06 100644
--- a/lib/src/config.dart
+++ b/lib/src/config.dart
@@ -4,8 +4,8 @@ import 'package:flutter/material.dart';
 class BlobConfig {
   static const Color color = Color(0xff3c40c6);
   static const BlobFillType fillType = BlobFillType.fill;
-  static const num edgesCount = 6;
-  static const num minGrowth = 6;
-  static const num animDurationMs = 500;
+  static const int edgesCount = 6;
+  static const int minGrowth = 6;
+  static const int animDurationMs = 500;
   static const int strokeWidth = 3;
 }
diff --git a/lib/src/models.dart b/lib/src/models.dart
index 4babb5e..399be50 100644
--- a/lib/src/models.dart
+++ b/lib/src/models.dart
@@ -1,14 +1,14 @@
 import 'package:flutter/material.dart';
 
 class BlobData {
-  int growth;
-  num size;
-  int edges;
-  BlobPoints points;
-  String id;
-  Path path;
-  String svgPath;
-  BlobCurves curves;
+  int? growth;
+  double? size;
+  int? edges;
+  BlobPoints? points;
+  String? id;
+  Path? path;
+  String? svgPath;
+  BlobCurves? curves;
 
   BlobData({
     this.growth,
@@ -32,10 +32,10 @@ class BlobCurves {
 enum BlobFillType { fill, stroke }
 
 class BlobStyles {
-  Color color;
-  Shader gradient;
-  int strokeWidth;
-  BlobFillType fillType;
+  Color? color;
+  Shader? gradient;
+  int? strokeWidth;
+  BlobFillType? fillType;
   BlobStyles({
     this.color,
     this.gradient,
@@ -45,11 +45,11 @@ class BlobStyles {
 }
 
 class BlobPoints {
-  List<Offset> originPoints;
-  List<Offset> destPoints;
-  Offset center;
-  double innerRad;
-  String id;
+  List<Offset>? originPoints;
+  List<Offset>? destPoints;
+  Offset? center;
+  double? innerRad;
+  String? id;
   BlobPoints({
     this.originPoints,
     this.destPoints,
diff --git a/lib/src/painter/painter.dart b/lib/src/painter/painter.dart
index 88930d6..58692d3 100644
--- a/lib/src/painter/painter.dart
+++ b/lib/src/painter/painter.dart
@@ -5,25 +5,25 @@ import 'package:flutter/material.dart';
 class BlobPainter extends CustomPainter {
   final BlobData blobData;
   final bool debug;
-  final BlobStyles styles;
+  final BlobStyles? styles;
 
   BlobPainter({
-    this.blobData,
+    required this.blobData,
     this.styles,
     this.debug = false,
   });
 
   @override
   void paint(Canvas c, Size s) {
-    drawBlob(c, blobData.path, styles);
+    drawBlob(c, blobData.path!, styles);
     if (debug) {
       circle(c, s, (s.width / 2)); // outer circle
-      circle(c, s, blobData.points.innerRad); // inner circle
+      circle(c, s, blobData.points!.innerRad!); // inner circle
       point(c, Offset(s.width / 2, s.height / 2)); // center point
-      List originPoints = blobData.points.originPoints;
-      List destPoints = blobData.points.destPoints;
+      List originPoints = blobData.points!.originPoints!;
+      List? destPoints = blobData.points!.destPoints;
       originPoints.asMap().forEach(
-            (i, p) => drawLines(c, p, destPoints[i]),
+            (i, p) => drawLines(c, p, destPoints![i]),
           ); // line from  inner  circle to blob point
     }
   }
diff --git a/lib/src/painter/tools.dart b/lib/src/painter/tools.dart
index 22ce016..276bd2b 100644
--- a/lib/src/painter/tools.dart
+++ b/lib/src/painter/tools.dart
@@ -2,7 +2,7 @@ import 'package:blobs/src/config.dart';
 import 'package:blobs/src/models.dart';
 import 'package:flutter/material.dart';
 
-circle(Canvas canvas, Size size, num radius) {
+circle(Canvas canvas, Size size, double radius) {
   var paint = Paint()
     ..color = const Color(0xffef5777)
     ..strokeWidth = 3
@@ -55,7 +55,7 @@ point(Canvas canvas, Offset center) {
   canvas.drawPath(path, paint);
 }
 
-Paint createPaint(BlobStyles styles) {
+Paint createPaint(BlobStyles? styles) {
   Map<BlobFillType, PaintingStyle> fillType = {
     BlobFillType.fill: PaintingStyle.fill,
     BlobFillType.stroke: PaintingStyle.stroke
@@ -66,7 +66,7 @@ Paint createPaint(BlobStyles styles) {
   paint.color = styles.color ?? BlobConfig.color;
   paint.shader = styles.gradient;
   paint.strokeWidth = (styles.strokeWidth ?? BlobConfig.strokeWidth).toDouble();
-  paint.style = fillType[styles.fillType ?? BlobConfig.fillType];
+  paint.style = fillType[styles.fillType ?? BlobConfig.fillType]!;
 
   return paint;
 }
@@ -82,7 +82,7 @@ Path connectPoints(BlobCurves curves) {
   return path;
 }
 
-void drawBlob(Canvas canvas, Path path, BlobStyles styles) {
+void drawBlob(Canvas canvas, Path path, BlobStyles? styles) {
   Paint paint = createPaint(styles);
   // canvas.drawShadow(path, Colors.red.withOpacity(0.8), 10, true);
   canvas.drawPath(path, paint);
diff --git a/lib/src/services/blob_animator.dart b/lib/src/services/blob_animator.dart
index c748ed9..e3a1257 100644
--- a/lib/src/services/blob_animator.dart
+++ b/lib/src/services/blob_animator.dart
@@ -6,7 +6,7 @@ class BlobAnimator {
   List<List<Tween>> tweens = [];
   List<List<Animation>> anims = [];
 
-  BlobAnimator({this.pathPoints, this.animationController});
+  BlobAnimator({required this.pathPoints, required this.animationController});
 
   init(Function(List<Offset>) callback) {
     Animation<double> animation = CurvedAnimation(
diff --git a/lib/src/services/blob_controller.dart b/lib/src/services/blob_controller.dart
index 80d4611..cea9585 100644
--- a/lib/src/services/blob_controller.dart
+++ b/lib/src/services/blob_controller.dart
@@ -1,7 +1,7 @@
 import 'package:blobs/src/models.dart';
 
 class BlobController {
-  BlobData Function() _listener;
+  BlobData Function()? _listener;
   BlobController();
   onChange(BlobData Function() ex) {
     _listener = ex;
@@ -9,7 +9,7 @@ class BlobController {
 
   BlobData change() {
     if (_listener == null) return BlobData();
-    return _listener();
+    return _listener!();
   }
 
   dispose() {
diff --git a/lib/src/services/blob_error_handler.dart b/lib/src/services/blob_error_handler.dart
index 694e258..f548204 100644
--- a/lib/src/services/blob_error_handler.dart
+++ b/lib/src/services/blob_error_handler.dart
@@ -1,5 +1,5 @@
 class InvalidIDException implements Exception {
-  final String id;
+  final String? id;
 
   InvalidIDException(this.id);
   @override
diff --git a/lib/src/services/blob_generator.dart b/lib/src/services/blob_generator.dart
index 4791f2e..790c465 100644
--- a/lib/src/services/blob_generator.dart
+++ b/lib/src/services/blob_generator.dart
@@ -6,11 +6,11 @@ import 'package:flutter/material.dart';
 import 'package:blobs/src/models.dart';
 
 class BlobGenerator {
-  final Size size;
-  int edgesCount;
-  int minGrowth;
+  final Size? size;
+  int? edgesCount;
+  int? minGrowth;
   String svgPath = '';
-  String id;
+  String? id;
   List<List<Offset>> dots = [];
 
   BlobGenerator({
@@ -22,15 +22,15 @@ class BlobGenerator {
 
   BlobData generate() {
     if (id != null) {
-      var datum = id.split('-');
+      var datum = id!.split('-');
       if (datum.length != 3) throw InvalidIDException(id);
       edgesCount = int.parse(datum[0]);
       minGrowth = int.parse(datum[1]);
       id = datum[2];
     }
-    if (edgesCount <= 2) throw InvalidEdgesCountException();
-    var points = _createPoints(id != null ? int.parse(id) : null);
-    BlobCurves curves = _createCurves(points.destPoints);
+    if (edgesCount! <= 2) throw InvalidEdgesCountException();
+    var points = _createPoints(id != null ? int.parse(id!) : null);
+    BlobCurves curves = _createCurves(points.destPoints!);
     Path path = connectPoints(curves);
     return BlobData(
       edges: edgesCount,
@@ -38,7 +38,7 @@ class BlobGenerator {
       id: points.id,
       path: path,
       points: points,
-      size: size.width,
+      size: size!.width,
       svgPath: svgPath,
       curves: curves,
     );
@@ -60,9 +60,9 @@ class BlobGenerator {
     );
   }
 
-  num _toRad(num deg) => deg * (pi / 180.0);
+  double _toRad(double deg) => deg * (pi / 180.0);
 
-  List<double> _divide(num count) {
+  List<double> _divide(int count) {
     double deg = 360 / count;
     return List.generate(count, (i) => i * deg).toList();
   }
@@ -77,13 +77,12 @@ class BlobGenerator {
       mz = (36969 * (mz & 65535) + ((mz & mask) >> 16)) & mask;
       mw = (18000 * (mw & 65535) + ((mw & mask) >> 16)) & mask;
 
-      num result = (((mz << 16) + (mw & 65535)) & mask) >> 0;
-      result /= 4294967296;
+      final result = ((((mz << 16) + (mw & 65535)) & mask) >> 0) / 4294967296;
       return result;
     };
   }
 
-  double _magicPoint(double value, num min, num max) {
+  double _magicPoint(double value, double min, double max) {
     double radius = min + (value * (max - min));
     if (radius > max) {
       radius = radius - min;
@@ -93,21 +92,21 @@ class BlobGenerator {
     return radius;
   }
 
-  Offset _point(Offset origin, double radius, num degree) {
+  Offset _point(Offset origin, double radius, double degree) {
     double x = origin.dx + (radius * cos(_toRad(degree)));
     double y = origin.dy + (radius * sin(_toRad(degree)));
     return Offset(x.round().toDouble(), y.round().toDouble());
   }
 
-  BlobPoints _createPoints(int seedValue) {
-    num outerRad = size.width / 2;
-    num innerRad = minGrowth * (outerRad / 10);
-    Offset center = Offset(size.width / 2, size.height / 2);
+  BlobPoints _createPoints(int? seedValue) {
+    double outerRad = size!.width / 2;
+    double innerRad = minGrowth! * (outerRad / 10);
+    Offset center = Offset(size!.width / 2, size!.height / 2);
 
-    List<double> slices = _divide(edgesCount);
-    int randomInt;
+    List<double> slices = _divide(edgesCount!);
+    int? randomInt;
     if (id != null) {
-      seedValue = int.parse(id);
+      seedValue = int.parse(id!);
     } else {
       int maxRandomValue = ([99, 999, 9999, 99999, 999999]..shuffle()).first;
       randomInt = Random().nextInt(maxRandomValue);
@@ -134,11 +133,11 @@ class BlobGenerator {
   }
 
   BlobPoints _createPointsFromDest(List<Offset> destPoints) {
-    num outerRad = size.width / 2;
-    num innerRad = minGrowth * (outerRad / 10);
-    Offset center = Offset(size.width / 2, size.height / 2);
+    double outerRad = size!.width / 2;
+    double innerRad = minGrowth! * (outerRad / 10);
+    Offset center = Offset(size!.width / 2, size!.height / 2);
 
-    List<double> slices = _divide(edgesCount);
+    List<double> slices = _divide(edgesCount!);
 
     List<Offset> originPoints = [];
 
diff --git a/lib/src/widgets/animated_blob.dart b/lib/src/widgets/animated_blob.dart
index 8f51ac8..9546be8 100644
--- a/lib/src/widgets/animated_blob.dart
+++ b/lib/src/widgets/animated_blob.dart
@@ -8,18 +8,18 @@ import 'package:flutter/material.dart';
 class AnimatedBlob extends StatefulWidget {
   final double size;
   final bool debug;
-  final BlobStyles styles;
-  final String id;
-  final BlobController ctrl;
-  final Widget child;
-  final Duration duration;
-  final BlobData fromBlobData;
+  final BlobStyles? styles;
+  final String? id;
+  final BlobController? ctrl;
+  final Widget? child;
+  final Duration? duration;
+  final BlobData? fromBlobData;
   final BlobData toBlobData;
 
   const AnimatedBlob({
     this.size = 200,
     this.fromBlobData,
-    this.toBlobData,
+    required this.toBlobData,
     this.debug = false,
     this.styles,
     this.ctrl,
@@ -34,9 +34,9 @@ class AnimatedBlob extends StatefulWidget {
 
 class _AnimatedBlobState extends State<AnimatedBlob>
     with SingleTickerProviderStateMixin {
-  AnimationController _animationController;
-  BlobAnimator animator;
-  BlobData data;
+  late AnimationController _animationController;
+  late BlobAnimator animator;
+  late BlobData data;
 
   @override
   void didUpdateWidget(AnimatedBlob oldWidget) {
@@ -51,7 +51,7 @@ class _AnimatedBlobState extends State<AnimatedBlob>
         AnimationController(duration: widget.duration, vsync: this);
     animator = BlobAnimator(
         animationController: _animationController,
-        pathPoints: widget.toBlobData.points.destPoints);
+        pathPoints: widget.toBlobData.points!.destPoints!);
     animator.init((o) {
       setState(() {
         data = BlobGenerator(
@@ -65,7 +65,7 @@ class _AnimatedBlobState extends State<AnimatedBlob>
   }
 
   setNewValue() {
-    animator.morphTo(widget.toBlobData.points.destPoints);
+    animator.morphTo(widget.toBlobData.points!.destPoints!);
   }
 
   @override
@@ -81,7 +81,7 @@ class _AnimatedBlobState extends State<AnimatedBlob>
 
   @override
   void dispose() {
-    if (widget.ctrl != null) widget.ctrl.dispose();
+    if (widget.ctrl != null) widget.ctrl!.dispose();
     _animationController.dispose();
     super.dispose();
   }
diff --git a/lib/src/widgets/blob.dart b/lib/src/widgets/blob.dart
index 9b831ac..a009184 100644
--- a/lib/src/widgets/blob.dart
+++ b/lib/src/widgets/blob.dart
@@ -11,20 +11,20 @@ import 'package:flutter/material.dart';
 class Blob extends StatefulWidget {
   final double size;
   final bool debug;
-  final BlobStyles styles;
-  final BlobController controller;
-  final Widget child;
-  final int edgesCount;
-  final int minGrowth;
-  final List<String> id;
-  final Duration duration;
+  final BlobStyles? styles;
+  final BlobController? controller;
+  final Widget? child;
+  final int? edgesCount;
+  final int? minGrowth;
+  final List<String>? id;
+  final Duration? duration;
   final bool loop;
   final bool isAnimated;
 
   static int count = 0;
 
   Blob.random({
-    @required this.size,
+    required this.size,
     this.edgesCount = BlobConfig.edgesCount,
     this.minGrowth = BlobConfig.minGrowth,
     this.debug = false,
@@ -36,7 +36,7 @@ class Blob extends StatefulWidget {
         duration = null,
         isAnimated = false;
   Blob.animatedRandom({
-    @required this.size,
+    required this.size,
     this.edgesCount = BlobConfig.edgesCount,
     this.minGrowth = BlobConfig.minGrowth,
     this.debug = false,
@@ -51,8 +51,8 @@ class Blob extends StatefulWidget {
         id = null;
 
   Blob.fromID({
-    @required this.id,
-    @required this.size,
+    required this.id,
+    required this.size,
     this.debug = false,
     this.styles,
     this.controller,
@@ -64,8 +64,8 @@ class Blob extends StatefulWidget {
         isAnimated = false;
 
   Blob.animatedFromID({
-    @required this.id,
-    @required this.size,
+    required this.id,
+    required this.size,
     this.debug = false,
     this.styles,
     this.duration = const Duration(
@@ -82,7 +82,7 @@ class Blob extends StatefulWidget {
   _BlobState createState() => _BlobState();
 
   BlobData _randomBlobData() {
-    String randomID = (id == null || id.isEmpty) ? null : _randomID();
+    String? randomID = (id == null || id!.isEmpty) ? null : _randomID();
     return BlobGenerator(
       edgesCount: edgesCount,
       minGrowth: minGrowth,
@@ -93,15 +93,15 @@ class Blob extends StatefulWidget {
 
   String _randomID() {
     Blob.count++;
-    if (id.length == 1) return id[0];
-    return id[Blob.count % id.length];
+    if (id!.length == 1) return id![0];
+    return id![Blob.count % id!.length];
   }
 }
 
 class _BlobState extends State<Blob> {
-  BlobData blobData;
-  BlobData fromBlobData;
-  Timer timer;
+  BlobData? blobData;
+  BlobData? fromBlobData;
+  Timer? timer;
 
   @override
   void initState() {
@@ -109,11 +109,11 @@ class _BlobState extends State<Blob> {
     _updateBlob();
     if (widget.loop) {
       timer = Timer.periodic(
-        Duration(milliseconds: widget.duration.inMilliseconds),
+        Duration(milliseconds: widget.duration!.inMilliseconds),
         (_) => _updateBlob(),
       );
     } else if (widget.controller != null) {
-      widget.controller.onChange(_updateBlob);
+      widget.controller!.onChange(_updateBlob);
     }
   }
 
@@ -121,7 +121,7 @@ class _BlobState extends State<Blob> {
   Widget build(BuildContext context) {
     if (!widget.isAnimated) {
       return SimpleBlob(
-        blobData: blobData,
+        blobData: blobData!,
         size: widget.size,
         styles: widget.styles,
         debug: widget.debug,
@@ -130,7 +130,7 @@ class _BlobState extends State<Blob> {
     }
     return AnimatedBlob(
       fromBlobData: fromBlobData,
-      toBlobData: blobData,
+      toBlobData: blobData!,
       size: widget.size,
       styles: widget.styles,
       debug: widget.debug,
@@ -145,13 +145,13 @@ class _BlobState extends State<Blob> {
     }
     blobData = widget._randomBlobData();
     setState(() {});
-    return blobData;
+    return blobData!;
   }
 
   @override
   void dispose() {
-    if (timer != null) timer.cancel();
-    if (widget.controller != null) widget.controller.dispose();
+    if (timer != null) timer!.cancel();
+    if (widget.controller != null) widget.controller!.dispose();
     super.dispose();
   }
 }
diff --git a/lib/src/widgets/simple_blob.dart b/lib/src/widgets/simple_blob.dart
index 7d37024..dc71d6f 100644
--- a/lib/src/widgets/simple_blob.dart
+++ b/lib/src/widgets/simple_blob.dart
@@ -4,16 +4,16 @@ import 'package:blobs/src/painter/painter.dart';
 import 'package:flutter/material.dart';
 
 class SimpleBlob extends StatelessWidget {
-  final double size;
+  final double? size;
   final BlobData blobData;
   final bool debug;
-  final Widget child;
-  final BlobStyles styles;
+  final Widget? child;
+  final BlobStyles? styles;
 
   const SimpleBlob({
-    this.blobData,
+    required this.blobData,
     this.size,
-    this.debug,
+    this.debug = false,
     this.styles,
     this.child,
   });
diff --git a/pubspec.lock b/pubspec.lock
index b40eda5..5b3fb9d 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,62 +1,55 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.13"
-  args:
-    dependency: transitive
-    description:
-      name: args
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.6.0"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.1"
+    version: "2.6.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.3"
-  collection:
+    version: "1.2.0"
+  clock:
     dependency: transitive
     description:
-      name: collection
+      name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.12"
-  convert:
+    version: "1.1.0"
+  collection:
     dependency: transitive
     description:
-      name: convert
+      name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
-  crypto:
+    version: "1.15.0"
+  fake_async:
     dependency: transitive
     description:
-      name: crypto
+      name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.4"
+    version: "1.2.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -67,55 +60,34 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  image:
-    dependency: transitive
-    description:
-      name: image
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.12"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
+    version: "1.8.0"
   pedantic:
     dependency: "direct dev"
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.0"
-  petitparser:
-    dependency: transitive
-    description:
-      name: petitparser
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.4.0"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.3"
+    version: "1.11.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -127,63 +99,56 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.15"
+    version: "0.3.0"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
-  xml:
-    dependency: transitive
-    description:
-      name: xml
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.6.1"
+    version: "2.1.0"
 sdks:
-  dart: ">=2.7.0 <3.0.0"
-  flutter: ">=0.2.5 <2.0.0"
+  dart: ">=2.12.0 <3.0.0"
+  flutter: ">=0.2.5"
diff --git a/pubspec.yaml b/pubspec.yaml
index 668bd2f..3bf29c4 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,10 +1,10 @@
 name: blobs
 description: Create beautiful blobs - fixed/random blob generation, animations, svgs and more
-version: 1.2.0
+version: 2.0.0
 homepage: https://github.com/lokesh-coder/flutter_blobs
 
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: '>=2.12.0 <3.0.0'
   flutter: ">=0.2.5 <2.0.0"
 
 dependencies:
@@ -14,4 +14,4 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  pedantic: ^1.4.0
+  pedantic: ^1.11.0