diff --git a/.github/workflows/ghcr-retention.yml b/.github/workflows/ghcr-retention.yml
index dd54315ea..56bdefd8b 100644
--- a/.github/workflows/ghcr-retention.yml
+++ b/.github/workflows/ghcr-retention.yml
@@ -3,6 +3,7 @@ name: ghcr-retention
 on:
   schedule:
     - cron: '0 0 * * *'  # every day at midnight
+  workflow_dispatch:
 
 jobs:
   clean-ghcr: