diff --git a/CHANGELOG.md b/CHANGELOG.md
index 825c32f..ad0b6ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1 +1,17 @@
 # Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [1.0.0](https://github.com/ccntrq/delirious-dentist/releases/tag/v1.0.0) (2023-02-17)
+
+### Miscellaneous Chores
+
+- Major refactoring
+- Build workflow for Windows, Linux and Mac executables
+- Minor UI changes
+
+## [1.0](https://github.com/ccntrq/delirious-dentist/releases/tag/v1.0) (2023-02-05)
+
+### Added
+
+- First working version developed during the GGJ 2023 in Hannover
diff --git a/src/version.py b/src/version.py
index a96ce90..369b4e0 100644
--- a/src/version.py
+++ b/src/version.py
@@ -1 +1 @@
-VERSION = "1.0"
\ No newline at end of file
+VERSION = "1.0.0"
\ No newline at end of file