diff --git a/.github/workflows/publish-docker.yml b/.github/workflows/publish-docker.yml
index 9e0d362..3ede5c1 100644
--- a/.github/workflows/publish-docker.yml
+++ b/.github/workflows/publish-docker.yml
@@ -4,7 +4,10 @@
 # Code is Apache-2.0 and docs are CC-BY-4.0
 
 name: publish-docker
-on: workflow_dispatch
+on:
+  push:
+    branches:
+      - '286-*'
 
 jobs:
   audit: