diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 70f64a8..8143661 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,6 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v2
       - uses: actions/setup-go@v2.1.3
         with:
           go-version: 1.16.5