diff --git a/pkgs/development/python-modules/litellm/default.nix b/pkgs/development/python-modules/litellm/default.nix
index f3ec6b82d9ca..6d2905206a7a 100644
--- a/pkgs/development/python-modules/litellm/default.nix
+++ b/pkgs/development/python-modules/litellm/default.nix
@@ -12,15 +12,14 @@
 , certifi
 , appdirs
 , aiohttp
-, httpx
 }:
 let
   version = "1.22.3";
 in
-buildPythonPackage rec {
+buildPythonPackage {
   pname = "litellm";
-  format = "pyproject";
   inherit version;
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "BerriAI";