diff --git a/.github/workflows/nix-flake-check.yml b/.github/workflows/nix-flake-check.yml
index b0c0fa3..4e45f2b 100644
--- a/.github/workflows/nix-flake-check.yml
+++ b/.github/workflows/nix-flake-check.yml
@@ -18,7 +18,7 @@ jobs:
           experimental-features = nix-command flakes
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
           system-features = nixos-test benchmark big-parallel kvm
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: dadada
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'