diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4e1139a..20a4aac 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,14 +13,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v15
+      - uses: cachix/install-nix-action@v30
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Run linting
         run: nix develop -c make lint-ci
   tests:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v15
+      - uses: cachix/install-nix-action@v30
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Run tests
         run: nix develop -c python -mpytest -vv -s
   nix-flake: