diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 32be559..82a99b8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,6 +7,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - uses: denoland/setup-deno@v2
         with:
           deno-version: v2.3.1