diff --git a/flake.nix b/flake.nix
index 69b6d7c..617982c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -27,10 +27,10 @@
       url = "https://flakehub.com/f/catppuccin/vscode/*.tar.gz";
     };
 
-  #   solaar = {
-  #     url = "github:Svenum/Solaar-Flake/latest";
-  #     inputs.nixpkgs.follows = "nixpkgs";
-  #   };
+    #   solaar = {
+    #     url = "github:Svenum/Solaar-Flake/latest";
+    #     inputs.nixpkgs.follows = "nixpkgs";
+    #   };
   };
 
   outputs = { self, nixpkgs, lix-module, ... }@inputs:
@@ -43,8 +43,16 @@
         gitEmail = "me@annikamerris.com";
         # nixfilesRepo = "ssh://git@forgejo.local.merr.is:2222/annika/nixos2.git";
       };
-    in rec
+    in
+    rec
     {
+      nix.settings.extra-substituters = [
+        "https://cache.lix.systems"
+      ];
+
+      nix.settings.trusted-public-keys = [
+        "cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
+      ];
       nixosConfigurations = {
         kim = import ./hosts/kim {
           inherit inputs globals;