diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8c826a5..8637268 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout
+    - uses: actions/checkout@v1
     - name: Build
       run: cargo build --verbose
     - name: Run tests