diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml
index 2801aad6..1261b00e 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@V28
+      - uses: cachix/install-nix-action@v29
       - uses: cachix/cachix-action@v15
         with:
           name: stehessel