diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index b0eed44e9..c055b38f3 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -51,5 +51,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: cachix/install-nix-action@v25
+        with:
+          extra_nix_config: |
+            trusted-public-keys = nix.casatta.it:HseKZh7436/vKXfZDBHbhr7wwAkzjLwY5BIq+OOrITg= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+            substituters = https://cache.nixos.org/ https://nix.casatta.it
       - run: nix build .