diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index 9dfc825..938bfb3 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -1,4 +1,5 @@
 name: update-flake-lock
+
 on:
   workflow_dispatch: # allows manual triggering
   schedule:
@@ -9,7 +10,7 @@ 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