diff --git a/flake.nix b/flake.nix
index a47f49a..65cd994 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Flake basics described using the module system";
 
   inputs = {
-    nixpkgs-lib.url = "https://github.com/NixOS/nixpkgs/archive/5487e69da40cbd611ab2cadee0b4637225f7cfae.tar.gz"; # 970e93b9f82e2a0f3675757eb0bfc73297cc6370 /lib from nixos-unstable
+    nixpkgs-lib.url = "https://github.com/NixOS/nixpkgs/archive/e9b51731911566bbf7e4895475a87fe06961de0b.tar.gz"; # 88195a94f390381c6afcdaa933c2f6ff93959cb4 /lib from nixos-unstable
   };
 
   outputs = inputs@{ nixpkgs-lib, ... }: