diff --git a/nixos/development.nix b/nixos/development.nix
index 9d408d8..1f9fc50 100644
--- a/nixos/development.nix
+++ b/nixos/development.nix
@@ -1,10 +1,8 @@
 { pkgs, ... }: {
+  environment.systemPackages = with pkgs; [ direnv devenv ];
 
-  services.lorri = {
-    enable = true;
-  };
-
-  environment.systemPackages = with pkgs; [
-    direnv
-  ];
+  nix.extraOptions = ''
+    extra-substituters = https://devenv.cachix.org
+    extra-trusted-public-keys = devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw=
+  '';
 }