diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 732b247..6431435 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,10 +17,14 @@ jobs:
         uses: DeterminateSystems/flake-checker-action@v5
       - name: Install Nix
         uses: cachix/install-nix-action@v24
-      - name: Setup Cachix
-        uses: cachix/cachix-action@v12
         with:
-          name: devenv
+          extra_nix_config: |
+            substituters = https://cache.nixos.org https://devenv.cachix.org
+            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw=
+      # - name: Setup Cachix
+      #   uses: cachix/cachix-action@v12
+      #   with:
+      #     name: devenv
       - run: cat /etc/nix/nix.conf
       - run: cat ~/.config/nix/nix.conf
       - name: Build configuration