diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d1a2b57..9b8160c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
         run: pnpm install && pnpm build
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v4
+        uses: DeterminateSystems/nix-installer-action@v5
 
       - name: Setup Attic Cache
         uses: ./