diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index cd18812..6a8a460 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -20,7 +20,7 @@ jobs:
           - nixos-23.05
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v22
       - run: nix-shell --run ./ci.sh
         env: