diff --git a/.github/workflows/update-image-on-push.yml b/.github/workflows/update-image-on-push.yml
index 1f775ae..5800216 100644
--- a/.github/workflows/update-image-on-push.yml
+++ b/.github/workflows/update-image-on-push.yml
@@ -6,6 +6,7 @@ on:
     - main
     paths:
     - 'Dockerfile'
+  workflow_dispatch:
 
 env:
   GHCR_REPO: ghcr.io/${{ github.repository_owner }}/p2pool