diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0fb7520..a8aa2eb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
   build-nix:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
 
       - name: Install Nix
         uses: cachix/install-nix-action@v14