diff --git a/pkgs/development/python-modules/trimesh/default.nix b/pkgs/development/python-modules/trimesh/default.nix
index 142ffa072997..ef32e540c7f1 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 = "3.12.8";
+  version = "3.12.9";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-5eRIBCPZtoQqfSNzp3qgKyosmnz+ytZ7+Y3dPIINiHQ=";
+    sha256 = "sha256-rEWMPK07AqFEd/5ax/kIh49QSlbYqjlSxDDS6Q5ZaLU=";
   };
 
   propagatedBuildInputs = [ numpy ];