diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 7c1c850..96310fd 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -1,6 +1,8 @@
 name: Publish Docker images
 on:
   push:
+    branches:
+      - main
   pull_request:
 
 jobs: