diff --git a/flake.nix b/flake.nix
index e893e4d..51cc862 100644
--- a/flake.nix
+++ b/flake.nix
@@ -45,7 +45,7 @@
       # Extend a lib with extras that _must not_ internally reference private nixpkgs. flake-utils doesn't, but many
       # other flakes (e.g. home-manager) probably do internally.
       libOverlay = final: prev: {
-        my = import ./util.nix { lib = final; };
+        my = import ./lib.nix { lib = final; };
         flake = flake-utils.lib;
       };
       pkgsLibOverlay = final: prev: { lib = prev.lib.extend libOverlay; };
diff --git a/util.nix b/lib.nix
similarity index 100%
rename from util.nix
rename to lib.nix