diff --git a/pkgs/development/python-modules/trimesh/default.nix b/pkgs/development/python-modules/trimesh/default.nix
index 79540ea997ee..094e93d0815e 100644
--- a/pkgs/development/python-modules/trimesh/default.nix
+++ b/pkgs/development/python-modules/trimesh/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "trimesh";
-  version = "4.2.0";
+  version = "4.2.1";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-uS6oVNS+JBN61SEVDwLQDoCf60SwqXV7831E2J+hb7I=";
+    hash = "sha256-CAn67M1T48J9y18QL1sjD3R57qfm9FYtK93Tq60WElE=";
   };
 
   nativeBuildInputs = [ setuptools ];