diff --git a/pkgs/development/python-modules/u-msgpack-python/default.nix b/pkgs/development/python-modules/u-msgpack-python/default.nix
new file mode 100644
index 000000000000..1daf30d883a4
--- /dev/null
+++ b/pkgs/development/python-modules/u-msgpack-python/default.nix
@@ -0,0 +1,32 @@
+{ buildPythonPackage
+, lib
+, fetchurl
+, glibcLocales
+}:
+
+let
+  pname = "u-msgpack-python";
+  version = "2.3.0";
+in buildPythonPackage rec {
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "mirror://pypi/${builtins.substring 0 1 pname}/${pname}/${name}.tar.gz";
+    sha256 = "d8df6bb0e2a838aa227c39cfd14aa147ab32b3df6871001874e9b9da9ce1760c";
+  };
+
+  LC_ALL="en_US.UTF-8";
+
+  buildInputs = [ glibcLocales ];
+
+  checkPhase = ''
+    python -m unittest discover
+  '';
+
+  meta = {
+    description = "A portable, lightweight MessagePack serializer and deserializer written in pure Python";
+    homepage = https://github.com/vsergeev/u-msgpack-python;
+    license = lib.licenses.mit;
+  };
+
+}
\ No newline at end of file
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d83bd7b867ec..45fa07f619f5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -25867,6 +25867,8 @@ in {
     };
   };
 
+  u-msgpack-python = callPackage ../development/python-modules/u-msgpack-python { };
+
   umalqurra = buildPythonPackage rec {
     name = "umalqurra-${version}";
     version = "0.2";