diff --git a/.github/workflows/publish-docker.yaml b/.github/workflows/publish-docker.yaml
index c89e4e2f..28f80222 100644
--- a/.github/workflows/publish-docker.yaml
+++ b/.github/workflows/publish-docker.yaml
@@ -11,6 +11,8 @@ on:
   # Call this for testing from the REST API with '{"ref":"{tag}"}'
   # 'https://api.github.com/repos/{owner}/{repo}/actions/workflows/{workflow_id}/dispatches'
   workflow_dispatch:
+    inputs:
+      ref:
 
 jobs:
   build-and-push: