diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index a00813b..4d2eef4 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -46,7 +46,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        sdk: [3.0.0, dev]
+        sdk: [3.1, dev]
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
       - uses: dart-lang/setup-dart@f0ead981b4d9a35b37f30d36160575d60931ec30
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7893daf..8f4d289 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## 1.1.1-wip
 
 - Ensure `PollingFileWatcher.ready` completes for files that do not exist.
+- Require Dart SDK `^3.1.0`
 
 ## 1.1.0
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 431e99b..108be66 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -6,7 +6,7 @@ description: >-
 repository: https://github.com/dart-lang/watcher
 
 environment:
-  sdk: ^3.0.0
+  sdk: ^3.1.0
 
 dependencies:
   async: ^2.5.0
@@ -14,7 +14,6 @@ dependencies:
 
 dev_dependencies:
   benchmark_harness: ^2.0.0
-  dart_flutter_team_lints: ^2.1.0
-  test: ^1.16.0
+  dart_flutter_team_lints: ^3.0.0
+  test: ^1.16.6
   test_descriptor: ^2.0.0
-