diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c0c7201..0ebcc34 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
     - name: Install nix
       uses: cachix/install-nix-action@v14
       with: