diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index ab18cab..6c947ff 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -7,11 +7,11 @@ name: Docker
 
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "main" ]
     # Publish semver tags as releases.
     tags: [ 'v*.*.*' ]
   pull_request:
-    branches: [ "master" ]
+    branches: [ "main" ]
 
 env:
   # Use docker.io for Docker Hub if empty