diff --git a/.github/workflows/docker-build-push-dockerhub.yml b/.github/workflows/docker-build-push-dockerhub.yml
index 3978b58..684c5e4 100644
--- a/.github/workflows/docker-build-push-dockerhub.yml
+++ b/.github/workflows/docker-build-push-dockerhub.yml
@@ -3,7 +3,10 @@
 name: Build and push image to DockerHub
 
 # Controls when the workflow will run
-on: push
+on:
+  push:
+    branches:
+      - main
 
 # Leaving in example for releases. Initially we simply push to 'latest'
 # on: