diff --git a/CMakeLists.txt b/CMakeLists.txt
index bfdd2286..276b0beb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@
 
 # Base configuration
 cmake_minimum_required(VERSION 3.15 FATAL_ERROR)
-project(Brion VERSION 3.3.7)
+project(Brion VERSION 3.3.8)
 set(Brion_VERSION_ABI 10)
 
 # Enforce C++14 standard
diff --git a/brain/python/brion/__init__.py b/brain/python/brion/__init__.py
index 4ee8f683..2acd280f 100644
--- a/brain/python/brion/__init__.py
+++ b/brain/python/brion/__init__.py
@@ -22,7 +22,7 @@
 
 from . import neuron
 
-__version__ = '3.3.7'
+__version__ = '3.3.8'
 
 # Import the test helper module if present
 try:
diff --git a/doc/Changelog.md b/doc/Changelog.md
index ba1ee448..f0ff1e88 100644
--- a/doc/Changelog.md
+++ b/doc/Changelog.md
@@ -1,6 +1,13 @@
 Changelog {#Changelog}
 =========
 
+# Release 3.3.8
+
+* [344](https://github.com/BlueBrain/Brion/pull/344)
+  3.3.8 Release preparation
+* [343](https://github.com/BlueBrain/Brion/pull/343)
+  Update dependencies to latest version and fixes legacy HDF5 compartment reader
+
 # Release 3.3.7
 
 * [342](https://github.com/BlueBrain/Brion/pull/342)