diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5c1ba8566895139917cd0360f6c4ec48374523a..2172ea15043615dc90f61f0d34b5928c76d7283a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,20 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased] ##
+
+### Added ###
+
+### Changed ###
+
+### Deprecated ###
+
+### Removed ###
+
+### Fixed ###
+
+### Security ###
+
 ## [0.3.1] - 2021-12-06  ##
 
 ### Added ###
diff --git a/setup.py b/setup.py
index 78040b9c2244ababdeafef5f59e31a42e3d723a6..8a2dcee8d0f4fb80986efa99d91176e653993c45 100755
--- a/setup.py
+++ b/setup.py
@@ -47,9 +47,9 @@ from setuptools import find_packages, setup
 
 MAJOR = 0
 MINOR = 3
-MICRO = 1
+MICRO = 2
 PRE = ""  # e.g. rc0, alpha.1, 0.beta-23
-ISRELEASED = True
+ISRELEASED = False
 
 if PRE:
     VERSION = "{}.{}.{}-{}".format(MAJOR, MINOR, MICRO, PRE)