diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38d73a1..226543f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [2.0.0](https://github.com/cheminfo/gyromagnetic-ratio/compare/v1.2.1...v2.0.0) (2024-11-20)
+
+
+### ⚠ BREAKING CHANGES
+
+* refactor project, rename type to GyromagneticNucleus and add getGyromagneticNucleus ([#8](https://github.com/cheminfo/gyromagnetic-ratio/issues/8))
+
+### Features
+
+* refactor project, rename type to GyromagneticNucleus and add getGyromagneticNucleus ([#8](https://github.com/cheminfo/gyromagnetic-ratio/issues/8)) ([df2bff3](https://github.com/cheminfo/gyromagnetic-ratio/commit/df2bff35f870451b9eba3d5e04f07870989fe8b0))
+
 ## [1.2.1](https://github.com/cheminfo/gyromagnetic-ratio/compare/v1.2.0...v1.2.1) (2024-11-20)
 
 
diff --git a/package.json b/package.json
index 6c5427e..27b8f65 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gyromagnetic-ratio",
-  "version": "1.2.1",
+  "version": "2.0.0",
   "description": "Reference values for gyromagnetic ratio",
   "main": "./lib/index.js",
   "module": "./lib-esm/index.js",