diff --git a/pkgs/development/python-modules/u-msgpack-python/default.nix b/pkgs/development/python-modules/u-msgpack-python/default.nix
index 730bb26bea57..1b79d265ff86 100644
--- a/pkgs/development/python-modules/u-msgpack-python/default.nix
+++ b/pkgs/development/python-modules/u-msgpack-python/default.nix
@@ -7,14 +7,15 @@
 
 buildPythonPackage rec {
   pname = "u-msgpack-python";
-  version = "2.7.2";
+  version = "2.8.0";
+  format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-6G96xqoO9MbEnwBLT9Q1vOmcI+LdXXMAPz+YFgJMK9g=";
+    hash = "sha256-uAGoPW7XXm30HkRRi08qnCIdwtpLzVOA46D+2lILxho=";
   };
 
-  LC_ALL="en_US.UTF-8";
+  env.LC_ALL="en_US.UTF-8";
 
   buildInputs = [ glibcLocales ];
 
@@ -23,7 +24,7 @@ buildPythonPackage rec {
   meta = {
     description = "A portable, lightweight MessagePack serializer and deserializer written in pure Python";
     homepage = "https://github.com/vsergeev/u-msgpack-python";
+    changelog = "https://github.com/vsergeev/u-msgpack-python/blob/v${version}/CHANGELOG.md";
     license = lib.licenses.mit;
   };
-
 }