diff --git a/flake.nix b/flake.nix
index eaca18e..add4d00 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,14 @@
 {
   nixConfig = {
     commit-lockfile-summary = "build(flake): update inputs";
+
+    extra-substituters = [
+      "https://cache.lix.systems"
+    ];
+
+    extra-trusted-public-keys = [
+      "cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
+    ];
   };
 
   inputs = {