diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
index 35d4fc9..badcbbe 100644
--- a/.github/workflows/prettier.yml
+++ b/.github/workflows/prettier.yml
@@ -14,7 +14,7 @@ jobs:
               uses: actions/checkout@v4
 
             - name: Install the Nix package manager
-              uses: cachix/install-nix-action@v27
+              uses: cachix/install-nix-action@v29
 
             - name: Checks
               run: nix run nixpkgs#nodePackages.prettier -- --check .