diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2d86e39..7fdd547 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,12 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
 
+    permissions:
+      id-token: "write"
+      contents: "read"
+
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@V28
+    - uses: DeterminateSystems/nix-installer-action@main
+    - uses: DeterminateSystems/magic-nix-cache-action@main
     - run: nix flake check