diff --git a/.github/workflows/auto-update.yml b/.github/workflows/auto-update.yml
index c08e51f..f76508c 100644
--- a/.github/workflows/auto-update.yml
+++ b/.github/workflows/auto-update.yml
@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: DeterminateSystems/determinate-nix-action@v3
       - uses: DeterminateSystems/update-flake-lock@main
         with: