diff --git a/.github/workflows/update-flake-lock.yaml b/.github/workflows/update-flake-lock.yaml
index 1750b19..30fc73d 100644
--- a/.github/workflows/update-flake-lock.yaml
+++ b/.github/workflows/update-flake-lock.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
       - name: Update flake.lock