diff --git a/.github/workflows/check-inputs.yml b/.github/workflows/check-inputs.yml
index bd19741..c357d98 100644
--- a/.github/workflows/check-inputs.yml
+++ b/.github/workflows/check-inputs.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v4
+        uses: DeterminateSystems/nix-installer-action@v6
 
       - name: Check Nix flake Nixpkgs inputs
         uses: DeterminateSystems/flake-checker-action@v5