diff --git a/pkgs/development/python-modules/trimesh/default.nix b/pkgs/development/python-modules/trimesh/default.nix
index 315678b874e..2d021e0a502 100644
--- a/pkgs/development/python-modules/trimesh/default.nix
+++ b/pkgs/development/python-modules/trimesh/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "trimesh";
-  version = "3.12.0";
+  version = "3.12.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-RcRFF5vIMOQsPXbd2g8DSnOrWnpLLNe3Sa8PqAdwFvU=";
+    sha256 = "sha256-MrvfSC6Uz/EJXQ3F5jAbWR0YJYRjqjwO7SIe0AUSOfA=";
   };
 
   propagatedBuildInputs = [ numpy ];