diff --git a/pkgs/development/python-modules/trimesh/default.nix b/pkgs/development/python-modules/trimesh/default.nix
index 7d8db0b0ad66..7cfb226fcdb4 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 = "4.6.2";
+  version = "4.6.3";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -20,7 +20,7 @@ buildPythonPackage rec {
     owner = "mikedh";
     repo = "trimesh";
     tag = version;
-    hash = "sha256-ttOawg1mdGkV1Pi0CmFR4VtmZ9MUxPed0KoXLwlbUPE=";
+    hash = "sha256-QKV0qb36BfJWbmbqTXzPFY2X6SD+B3FxWSoDltDP8fM=";
   };
 
   build-system = [ setuptools ];
@@ -44,7 +44,7 @@ buildPythonPackage rec {
   meta = {
     description = "Python library for loading and using triangular meshes";
     homepage = "https://trimesh.org/";
-    changelog = "https://github.com/mikedh/trimesh/releases/tag/${version}";
+    changelog = "https://github.com/mikedh/trimesh/releases/tag/${src.tag}";
     license = lib.licenses.mit;
     mainProgram = "trimesh";
     maintainers = with lib.maintainers; [