diff --git a/.github/workflows/gen-changelog.yml b/.github/workflows/gen-changelog.yml
index 5ac85d7..a30e01c 100644
--- a/.github/workflows/gen-changelog.yml
+++ b/.github/workflows/gen-changelog.yml
@@ -1,5 +1,6 @@
 name: Update CHANGELOG.md weekly
 on:
+  workflow_dispatch:
   schedule:
     - cron: "0 0 * * 0"