diff --git a/.github/workflows/cleanup-skipped-runs.yml b/.github/workflows/cleanup-skipped-runs.yml
new file mode 100644
index 0000000..97db529
--- /dev/null
+++ b/.github/workflows/cleanup-skipped-runs.yml
@@ -0,0 +1,20 @@
+name: Cleanup Skipped Runs
+
+on:
+  schedule:
+    - cron: '0 0 * * 0' # 毎週日曜 UTC 0:00
+  workflow_dispatch: # 手動実行も可能
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    permissions:
+      actions: write
+    steps:
+      - name: Delete skipped TAKT Action runs
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_REPO: ${{ github.repository }}
+        run: |
+          gh run list --workflow=takt-action.yml --status=skipped --limit=100 --json databaseId --jq '.[].databaseId' | \
+            xargs -I {} gh run delete {}