diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f03f3d2..fdaa739 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -5,6 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     name: test compose action
     steps:
+      - uses: actions/checkout@v2
       - uses: isbang/compose-action@v0.1
         with:
           compose-file: './docker/docker-compose.yml'