diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 8e5935c4..cb56fea9 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -4,6 +4,7 @@ on: [push, pull_request]
 
 jobs: 
   build-publish:
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout code
         uses: actions/checkout@v2