diff --git a/CMakeLists.txt b/CMakeLists.txt
index f60c548a..86785d7c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@
 
 # Base configuration
 cmake_minimum_required(VERSION 3.15 FATAL_ERROR)
-project(Brion VERSION 3.3.5)
+project(Brion VERSION 3.3.6)
 set(Brion_VERSION_ABI 10)
 
 # Enforce C++14 standard
diff --git a/brain/python/brion/__init__.py b/brain/python/brion/__init__.py
index df1d505a..7c3a5135 100644
--- a/brain/python/brion/__init__.py
+++ b/brain/python/brion/__init__.py
@@ -22,7 +22,7 @@
 
 from . import neuron
 
-__version__ = '3.3.5'
+__version__ = '3.3.6'
 
 # Import the test helper module if present
 try:
diff --git a/doc/Changelog.md b/doc/Changelog.md
index 893d922b..64216c24 100644
--- a/doc/Changelog.md
+++ b/doc/Changelog.md
@@ -1,6 +1,11 @@
 Changelog {#Changelog}
 =========
 
+# Release 3.3.6
+
+* [339](https://github.com/BlueBrain/Brion/pull/339)
+  Set numpy minimun version to 1.19.5 and release preparation
+
 # Release 3.3.5
 
 * [332](https://github.com/BlueBrain/Brion/pull/332)
diff --git a/setup.py b/setup.py
index 010247cb..45a6c7e9 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 from distutils.version import LooseVersion
 
 
-REQUIRED_NUMPY_VERSION = "numpy>=1.7.0"
+REQUIRED_NUMPY_VERSION = "numpy>=1.19.5"
 MIN_CPU_CORES = 2