diff --git a/.github/workflows/docker-sync.yaml b/.github/workflows/docker-sync.yaml
index f81d7b5..b9de28a 100644
--- a/.github/workflows/docker-sync.yaml
+++ b/.github/workflows/docker-sync.yaml
@@ -22,6 +22,9 @@ jobs:
     steps:
     - name: Set up skopeo environment
       uses: warjiang/setup-skopeo@v0.1.3
+      
+    - name: Check out code
+      uses: actions/checkout@v2
 
     - name: 'Sync images'
       run: |