diff --git a/pkgs/development/python-modules/trimesh/default.nix b/pkgs/development/python-modules/trimesh/default.nix
index 251d6c3d94d..b157e32ed87 100644
--- a/pkgs/development/python-modules/trimesh/default.nix
+++ b/pkgs/development/python-modules/trimesh/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "trimesh";
-  version = "3.8.19";
+  version = "3.9.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e2ec4fc75bddf46fd494a9c95adc0bf0fe6f667cae242ead99955ad659d6e375";
+    sha256 = "d19cbdb830a17297aa218ba6ce4955fc11b4b553414289cfd71f58f8144cc91f";
   };
 
   propagatedBuildInputs = [ numpy ];