diff --git a/VERSION b/VERSION
deleted file mode 100644
index be94e6f..0000000
--- a/VERSION
+++ /dev/null
@@ -1 +0,0 @@
-3.2.2
diff --git a/docs b/docs
index c42c852..47a1165 160000
--- a/docs
+++ b/docs
@@ -1 +1 @@
-Subproject commit c42c8525ee3a593ef7e63f7146b9cca2a7e0c7f7
+Subproject commit 47a1165d5558515d6df67fb20b3032172de56279
diff --git a/nd2reader/__init__.py b/nd2reader/__init__.py
index ef62aa1..8354a47 100644
--- a/nd2reader/__init__.py
+++ b/nd2reader/__init__.py
@@ -2,9 +2,4 @@ from os import path
 from nd2reader.reader import ND2Reader
 from nd2reader.legacy import Nd2
 
-VERSION = ''
-CURRENT_DIRECTORY = path.abspath(path.dirname(__file__))
-with open(path.join(CURRENT_DIRECTORY, '..', 'VERSION')) as version_file:
-    VERSION = version_file.read().strip()
-
-__version__ = VERSION
+__version__ = '3.2.3'
diff --git a/release.txt b/release.txt
index f367970..f298668 100644
--- a/release.txt
+++ b/release.txt
@@ -1,4 +1,4 @@
-Update version in 'VERSION' file
+Update version in 'nd2reader/__init__.py' file
 
 Rebuild sphinx documentation
 
diff --git a/setup.py b/setup.py
index 631f6f1..7688e05 100644
--- a/setup.py
+++ b/setup.py
@@ -1,10 +1,6 @@
 from os import path
 from setuptools import setup
-
-VERSION = ''
-CURRENT_DIRECTORY = path.abspath(path.dirname(__file__))
-with open(path.join(CURRENT_DIRECTORY, 'VERSION')) as version_file:
-    VERSION = version_file.read().strip()
+from nd2reader import __version__ as VERSION
 
 if __name__ == '__main__':
     setup(
diff --git a/sphinx/conf.py b/sphinx/conf.py
index 1a69a62..7a27c28 100644
--- a/sphinx/conf.py
+++ b/sphinx/conf.py
@@ -1,13 +1,8 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-from os import path
 import sphinx_bootstrap_theme
 from recommonmark.parser import CommonMarkParser
-
-VERSION = ''
-CURRENT_DIRECTORY = path.abspath(path.dirname(__file__))
-with open(path.join(CURRENT_DIRECTORY, '..', 'VERSION')) as version_file:
-    VERSION = version_file.read().strip()
+from nd2reader import __version__ as VERSION
 
 # -- General configuration ------------------------------------------------