diff --git a/.github/workflows/changelog.yml b/.github/workflows/changelog.yml
index ad4099a..6e50db1 100644
--- a/.github/workflows/changelog.yml
+++ b/.github/workflows/changelog.yml
@@ -2,7 +2,7 @@ name: Changelog Generation
 
 on:
   release:
-    types: [published, released]
+    types: [published]
   workflow_dispatch:
 
 jobs:
@@ -16,6 +16,7 @@ jobs:
       - uses: rhysd/changelog-from-release/action@v3
         with:
           file: CHANGELOG.md
+          pull_request: true
           github_token: ${{ secrets.GITHUB_TOKEN }}
           commit_summary_template: 'update changelog for %s changes'
           args: -l 2