diff --git a/.github/workflows/write-changelog.yml b/.github/workflows/write-changelog.yml
index becf8ed..2cc3f6a 100644
--- a/.github/workflows/write-changelog.yml
+++ b/.github/workflows/write-changelog.yml
@@ -2,7 +2,7 @@ name: Update Changelog on PR (write to PR branch)
 
 on:
   pull_request:
-    types: [opened, edited, synchronize, reopened]
+    types: [opened]
 
 jobs:
   update-changelog:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1d2986..48dd3aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,3 +8,5 @@
 - [2025-12-15] DamImpr: create different docker with different php version [#28](https://github.com/DamImpr/cache-multi-layer/pull/28) 
 
 - [2025-12-15] DamImpr: create different docker with different php version [#28](https://github.com/DamImpr/cache-multi-layer/pull/28) 
+
+- [2025-12-16] DamImpr: changelog wrote only on PR opened [#29](https://github.com/DamImpr/cache-multi-layer/pull/29)