diff --git a/flake.nix b/flake.nix
index 747c648..e3a3dcc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,7 +4,7 @@
     rust-overlay.url = "github:oxalica/rust-overlay"; # A helper for Rust + Nix
   };
 
-  outputs = { nixpkgs }: 
+  outputs = { self, nixpkgs, rust-overlay }: 
     let 
       # Overlays enable you to customize the Nixpkgs attribute set
       overlays = [