diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 6b6081e..8882fad 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -40,7 +40,7 @@ jobs:
         uses: "google-github-actions/setup-gcloud@aa5489c8933f4cc7a4f7d45035b3b1440c9c10db" # v3.0.1
 
       - name: install nix
-        uses: cachix/install-nix-action@96951a368ba55167b55f1c916f7d416bac6505fe # v31.10.3
+        uses: cachix/install-nix-action@ab739621df7a23f52766f9ccc97f38da6b7af14f # v31.10.5
         with:
           nix_path: nixpkgs=channel:nixos-unstable