diff --git a/CHANGES.rst b/CHANGES.rst
index 250c570..1ce1699 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,11 @@
 Changes
 =======
 
+0.3.2 (2022-11-10)
+------------------
+
+- Add type hints and fix some docstring about parameters and return types, thanks to Kim Hyeonseok / @plming (#27).
+
 0.3.1 (2022-08-23)
 ------------------
 
diff --git a/jenkspy/__init__.py b/jenkspy/__init__.py
index 844f3c3..b0c7ca4 100644
--- a/jenkspy/__init__.py
+++ b/jenkspy/__init__.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-__version__ = "0.3.1"
+__version__ = "0.3.2"
 
 from .core import jenks_breaks
 from .core import _jenks_matrices