diff --git a/.github/workflows/flake-check.yml b/.github/workflows/flake-check.yml
index 687134e0..a168fc95 100644
--- a/.github/workflows/flake-check.yml
+++ b/.github/workflows/flake-check.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
-      - uses: cachix/install-nix-action@56a7bb7b56d9a92d4fd1bc05758de7eea4a370a8 # v31
+      - uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31
       - uses: nix-community/cache-nix-action@b426b118b6dc86d6952988d396aa7c6b09776d08 # v7
         with:
           primary-key: ${{runner.os}}-${{hashFiles('./flake.nix', './flake-modules/**/*.nix', './flake.lock')}}