diff --git a/.forgejo/workflows/publish-source.yml b/.forgejo/workflows/publish-source.yml
index 58cb1d30..6bd42b2a 100644
--- a/.forgejo/workflows/publish-source.yml
+++ b/.forgejo/workflows/publish-source.yml
@@ -12,6 +12,11 @@ on:
   push:
     tags:
       - 'v*'
+  workflow_dispatch:
+    inputs:
+      ref_reason:
+        description: 'why this manual run (e.g. tag event dropped)'
+        required: false
 
 jobs:
   publish: