diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index bd652ba..458dbb6 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -5,6 +5,6 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v22
       - run: nix flake check