diff --git a/.github/workflows/merge_ff_only.yml b/.github/workflows/merge_ff_only.yml
index ba68b1fc..0e965a41 100644
--- a/.github/workflows/merge_ff_only.yml
+++ b/.github/workflows/merge_ff_only.yml
@@ -1,5 +1,6 @@
 name: Merge (ff only)
 on:
+  workflow_dispatch:
   workflow_call:
     inputs:
         source-repo: