diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ebfe9b56d0255c36e8552b86691dbf9da3cba4f..ff6a2d5831646601cc05e3230a05cea9bb361b35 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,22 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased] - Date
+
+### Added ###
+
+### Changed ###
+
+### Deprecated ###
+
+### Removed ###
+
+### Fixed ###
+
+### Security ###
+
+### Documentation ###
+
 ## [0.13.1] - 2023-10-11 ##
 
 ### Fixed ###
diff --git a/setup.py b/setup.py
index 41a2c194dfc7f5cc9342429fb9461daa2cc4d9f2..fe1edd0704aa832c1740607be98b6d4d078391c0 100755
--- a/setup.py
+++ b/setup.py
@@ -45,10 +45,10 @@ from setuptools import find_packages, setup
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ########################################################################
 
-ISRELEASED = True
+ISRELEASED = False
 MAJOR = 0
 MINOR = 13
-MICRO = 1
+MICRO = 2
 # Do not tag as pre-release until this commit
 # https://github.com/pypa/packaging/pull/515
 # has made it into a release. Probably we should wait for pypa/packaging>=21.4
diff --git a/src/doc/conf.py b/src/doc/conf.py
index 68f970fd54e105eb6bcb18e1db1b162e74a972c4..ff646e0d6ecba780da551e5dce21a473115b101b 100644
--- a/src/doc/conf.py
+++ b/src/doc/conf.py
@@ -29,10 +29,10 @@ copyright = '2023, IndiScale GmbH'
 author = 'Daniel Hornung'
 
 # The short X.Y version
-version = '0.13.1'
+version = '0.13.2'
 # The full version, including alpha/beta/rc tags
 # release = '0.5.2-rc2'
-release = '0.13.1'
+release = '0.13.2-dev'
 
 
 # -- General configuration ---------------------------------------------------