diff --git a/.github/workflows/flake-update.yml b/.github/workflows/flake-update.yml
index 0255f00..ab26feb 100644
--- a/.github/workflows/flake-update.yml
+++ b/.github/workflows/flake-update.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.0
       - name: Install Nix
         uses: cachix/install-nix-action@v31
       - name: Update flake lock