diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index b2d8719..6462033 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -8,7 +8,7 @@ on:
       - 'v*.*.*'
   pull_request:
     branches:
-      - 'main'
+      - 'master'
 
 env:
   REGISTRY: ghcr.io