diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index b74b94b..dc8919c 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -13,7 +13,7 @@ on:
     # Publish semver tags as releases.
     tags: [ 'v*.*.*' ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "v0.37.x", "v0.34.x" ]
 
 env:
   # Use docker.io for Docker Hub if empty