diff --git a/CHANGELOG.md b/CHANGELOG.md
index 527610c..70b3243 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.1](https://github.com/cheminfo/uv-spectrum/compare/v0.4.0...v0.4.1) (2024-05-22)
+
+
+### Bug Fixes
+
+* units and calculation of Tauc ([c5fb043](https://github.com/cheminfo/uv-spectrum/commit/c5fb0435d350bd2775ccad8fccafa291ca0ed6fd))
+
 ## [0.4.0](https://github.com/cheminfo/uv-spectrum/compare/v0.3.1...v0.4.0) (2024-05-07)
 
 
diff --git a/package.json b/package.json
index ef6ecf1..4ea774a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "uv-spectrum",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "",
   "main": "lib/index.js",
   "module": "src/index.js",