diff --git a/.github/workflows/flake-checker.yaml b/.github/workflows/flake-checker.yaml
index 27765fe..c3c0afc 100644
--- a/.github/workflows/flake-checker.yaml
+++ b/.github/workflows/flake-checker.yaml
@@ -15,7 +15,7 @@ jobs:
     name: Flake Checker
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: DeterminateSystems/nix-installer-action@v20