diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 1520262..aa3e009 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -39,7 +39,7 @@ jobs:
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ github.token }}
-      - uses: cachix/cachix-action@v14
+      - uses: cachix/cachix-action@v15
         continue-on-error: true
         with:
           name: vault-auth-tee