diff --git a/flake.nix b/flake.nix
index f45c71f..e1b74c0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,13 +7,14 @@
   };
 
   outputs = { self, nixpkgs, flake-utils }:
-    flake-utils.lib.eachDefaultSystem (system:
+    {
+      lib = import ./lib { inherit (nixpkgs) lib; };
+    } // flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs { inherit system; };
       in
       {
         packages = import ./pkgs {
-          inherit (nixpkgs) lib;
           inherit pkgs;
         };
       });
diff --git a/lib/default.nix b/lib/default.nix
new file mode 100644
index 0000000..e5ca643
--- /dev/null
+++ b/lib/default.nix
@@ -0,0 +1,5 @@
+{ lib }:
+
+{
+  toto = a: b: a + b;
+}
\ No newline at end of file
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 608f363..f064f38 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -1,9 +1,9 @@
-{ lib, pkgs, ... }:
+{ pkgs }:
 
 let
   sources = [
-    (import ./go { inherit lib pkgs; })
-    (import ./node { inherit lib pkgs; })
+    (import ./go { inherit pkgs; })
+    (import ./node { inherit pkgs; })
   ];
 in 
-lib.foldl (a: b: a // b) {} sources
\ No newline at end of file
+pkgs.lib.foldl (a: b: a // b) {} sources
\ No newline at end of file
diff --git a/pkgs/go/default.nix b/pkgs/go/default.nix
index 32a3dba..bfae28e 100644
--- a/pkgs/go/default.nix
+++ b/pkgs/go/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs }:
 
 {
   stripeMock = pkgs.callPackage ./stripe-mock.nix { };
diff --git a/pkgs/node/default.nix b/pkgs/node/default.nix
index da1551c..a53264b 100644
--- a/pkgs/node/default.nix
+++ b/pkgs/node/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs }:
 
 {
   maildev = pkgs.callPackage ./maildev.nix {};