diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
index 8a25a89..9c2bb48 100644
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@@ -2,6 +2,8 @@ name: docker-image
 
 on:
   push:
+    branches:
+      - master
     tags:
       - v*