diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 1c6ad343e..fe6c3bfd2 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -13,6 +13,8 @@ jobs:
     steps:
       - name: Check out the repo
         uses: actions/checkout@v2
+        with:
+          ref: master
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v3