diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 2b327cc..e283dc9 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -16,6 +16,8 @@ jobs:
       contents: read
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v3
       # Setup AWS credentials to enable uploading to S3 for Riff-Raff.
       # See https://github.com/aws-actions/configure-aws-credentials
       - uses: aws-actions/configure-aws-credentials@v4