diff --git a/CHANGELOG.md b/CHANGELOG.md
index 825c32f..2588ad9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1 +1,16 @@
 # Changelog
+
+## 1.0.0 (2024-08-28)
+
+
+### Features
+
+* works. refactoring using groups. Still in progress, though ([16c6369](https://github.com/cheminfo/react-mass-fragmentation/commit/16c6369e4f7551b5e11407ed7db3cbc5352c7650))
+
+
+### Bug Fixes
+
+* filtering internals correction in appendLine ([260b30d](https://github.com/cheminfo/react-mass-fragmentation/commit/260b30da95bd5457baf57d693b538692b5c36ae8))
+* label centered, charge display option implemented, no space after internal lines ([85e5661](https://github.com/cheminfo/react-mass-fragmentation/commit/85e56617a0464a6cad8572e9a3d67e7adae38d7f))
+
+## Changelog
diff --git a/package.json b/package.json
index ef911d4..89fa907 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-mass-fragmentation",
-  "version": "0.0.1",
+  "version": "1.0.0",
   "description": "React component to display mass fragmentation of peptides and nucleotides",
   "main": "lib/index.js",
   "module": "lib-esm/index.js",