diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dfa8fca882db3ca305b7966f5d2a93197a61e84d..ee67862a4e833455c391d8815d085406f0516d85 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -303,6 +303,7 @@ jobs:
           version: ${{ env.BUILDX_VERSION }}
 
       - name: Docker registry login
+        if: github.ref == 'refs/heads/master'
         run: echo "${{ secrets.DOCKER_RENOVATERELEASE_TOKEN }}" | docker login -u renovaterelease --password-stdin
 
       - name: Update Docker images cache