diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index 16bd0b8e..38fe06ce 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -10,7 +10,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V28
+        uses: cachix/install-nix-action@v29
         with:
           nix_path: nixpkgs=channel:nixos-unstable
           extra_nix_config: |