diff --git a/CHANGELOG.md b/CHANGELOG.md
index 36a791483..a9c7768b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -439,6 +439,14 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 </details>
 
+## 2026-04-09
+
+### 🚀 Updated Scripts
+
+  - #### ✨ New Features
+
+    - CheckMK: Bump Default OS to 13 (trixie) + dynamic codename + fix RELEASE-Tag Fetching [@MickLesk](https://github.com/MickLesk) ([#13610](https://github.com/community-scripts/ProxmoxVE/pull/13610))
+
 ## 2026-04-08
 
 ### 🆕 New Scripts