diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
index 9e060c4..9d4bb49 100644
--- a/.github/workflows/prettier.yml
+++ b/.github/workflows/prettier.yml
@@ -16,7 +16,7 @@ jobs:
               uses: actions/checkout@v3.0.2
 
             - name: Install the Nix package manager
-              uses: cachix/install-nix-action@v17
+              uses: cachix/install-nix-action@v20
 
             - name: Checks
               run: nix run nixpkgs#nodePackages.prettier -- --check .