diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e191ded..4890dcb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,4 @@
-name: "Build legacy Nix package on Ubuntu"
+name: "Run nix flake check"
 
 on:
   push:
@@ -12,9 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v24
-      - uses: cachix/cachix-action@v13
+      - uses: DeterminateSystems/magic-nix-cache-action@v2
         with:
-          name: bombon
-          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-      - run: nix build
+          diagnostic-endpoint: ""
       - run: nix flake check