diff --git a/pkgs/development/python-modules/trimesh/default.nix b/pkgs/development/python-modules/trimesh/default.nix
index 2593645aaf4e..10e2d252dc21 100644
--- a/pkgs/development/python-modules/trimesh/default.nix
+++ b/pkgs/development/python-modules/trimesh/default.nix
@@ -11,7 +11,7 @@
 
 buildPythonPackage rec {
   pname = "trimesh";
-  version = "4.6.5";
+  version = "4.6.6";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -20,7 +20,7 @@ buildPythonPackage rec {
     owner = "mikedh";
     repo = "trimesh";
     tag = version;
-    hash = "sha256-zPtfJMBblXaapYE8jBf8755T+0LP3W9M7e5JnM2adHU=";
+    hash = "sha256-A/obsrJIItNszMleMP1kkysSVdiFV2WxKTmYG+g1nks=";
   };
 
   build-system = [ setuptools ];