diff --git a/.github/workflows/nix-fmt-checks.yaml b/.github/workflows/nix-fmt-checks.yaml
index 8f02591..37b5ae7 100644
--- a/.github/workflows/nix-fmt-checks.yaml
+++ b/.github/workflows/nix-fmt-checks.yaml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Nix
         uses: cachix/install-nix-action@v18