diff --git a/.github/workflows/flake-check.yml b/.github/workflows/flake-check.yml
index efbad846..5bfd67f4 100644
--- a/.github/workflows/flake-check.yml
+++ b/.github/workflows/flake-check.yml
@@ -10,7 +10,7 @@ jobs:
       - ${{ github.run_id }}-${{ github.run_attempt }}-flake-check
 
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: cachix/install-nix-action@56a7bb7b56d9a92d4fd1bc05758de7eea4a370a8 # v31
       - uses: nix-community/cache-nix-action@135667ec418502fa5a3598af6fb9eb733888ce6a # v6
         with: