diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml
index 3e7ac830..eb341081 100644
--- a/.github/workflows/check.yaml
+++ b/.github/workflows/check.yaml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v26
+      - uses: cachix/install-nix-action@V27
       - uses: cachix/cachix-action@v14
         with:
           name: stehessel