diff --git a/.github/workflows/flake-check.yml b/.github/workflows/flake-check.yml
index 26f916eb..6364922a 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@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - uses: DeterminateSystems/determinate-nix-action@89ab342bd48ff7318caf8d39d6a330c7b1df8f2f #v3.15.2
         with:
           diagnostic-endpoint: ""