diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 1592b13f79..7eabbc6d2f 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -54,7 +54,7 @@ jobs:
         extra_nix_config: |
           experimental-features = nix-command flakes
         nix_path: nixpkgs=channel:nixos-unstable
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: haskell-language-server
         authToken: ${{ secrets.HLS_CACHIX_AUTH_TOKEN }}