diff --git a/pkgs/development/python-modules/trimesh/default.nix b/pkgs/development/python-modules/trimesh/default.nix
index 22b53464b9dd..7d8db0b0ad66 100644
--- a/pkgs/development/python-modules/trimesh/default.nix
+++ b/pkgs/development/python-modules/trimesh/default.nix
@@ -1,7 +1,7 @@
 {
   lib,
   buildPythonPackage,
-  fetchPypi,
+  fetchFromGitHub,
   setuptools,
   pytestCheckHook,
   pythonOlder,
@@ -16,9 +16,11 @@ buildPythonPackage rec {
 
   disabled = pythonOlder "3.8";
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-z7mWi1libCZhLqXK2sBV2X0Rkkf0YNdbM/T3gRd4VdY=";
+  src = fetchFromGitHub {
+    owner = "mikedh";
+    repo = "trimesh";
+    tag = version;
+    hash = "sha256-ttOawg1mdGkV1Pi0CmFR4VtmZ9MUxPed0KoXLwlbUPE=";
   };
 
   build-system = [ setuptools ];
@@ -39,13 +41,13 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "trimesh" ];
 
-  meta = with lib; {
+  meta = {
     description = "Python library for loading and using triangular meshes";
     homepage = "https://trimesh.org/";
     changelog = "https://github.com/mikedh/trimesh/releases/tag/${version}";
-    license = licenses.mit;
+    license = lib.licenses.mit;
     mainProgram = "trimesh";
-    maintainers = with maintainers; [
+    maintainers = with lib.maintainers; [
       gebner
       pbsds
     ];