diff --git a/CHANGELOG.md b/CHANGELOG.md
index 439ba4e..3e6a29a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+# 1.0.0 (17.05.2024)
+- [Refactor Project Architecture](https://github.com/kommitters/bas/issues/35)
+- [Refactor PTO today Use Case](https://github.com/kommitters/bas/issues/29)
+- [Refactor PTO next week Use Case](https://github.com/kommitters/bas/issues/30)
+- [Refactor Birthday today Use Case](https://github.com/kommitters/bas/issues/31)
+- [Refactor Birthday next week Use Case](https://github.com/kommitters/bas/issues/32)
+- [Refactor WIP limit Use Case](https://github.com/kommitters/bas/issues/33)
+- [Refactor support email Use Case](https://github.com/kommitters/bas/issues/34)
+- [Add a garbage collector](https://github.com/kommitters/bas/issues/42)
+- [Update read Postgres component](https://github.com/kommitters/bas/issues/45)
+- [Update new table structure](https://github.com/kommitters/bas/issues/46)
+
 # 0.4.0 (19.04.2024)
 - [[BAS] Add process for OpenAI](https://github.com/kommitters/bas/issues/25)
 
diff --git a/lib/bas/version.rb b/lib/bas/version.rb
index 5b993f9..4688e80 100644
--- a/lib/bas/version.rb
+++ b/lib/bas/version.rb
@@ -2,5 +2,5 @@
 
 module Bas
   # Gem version
-  VERSION = "0.4.0"
+  VERSION = "1.0.0"
 end