diff --git a/CHANGELOG b/CHANGELOG
index fcfa1d0..6b8d554 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,10 +1,12 @@
 CHANGELOG
 =========
 
-master
+Version 0.9
 -----------
 
-- Drop support of Python 3.4
+- Deprecate master/slave terminology and switch to replica. #44
+- Fix bug and warn when REPLICA_DATABASES is not defined. #39
+- Drop support of Python 3.4. #43 etc
 - Confirm support of Python 3.7
 - Drop support of Django 1.8
 - Drop support of Django 1.10
diff --git a/docs/conf.py b/docs/conf.py
index a1190d1..c0e2c90 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -21,9 +21,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '0.8'
+version = '0.9'
 # The full version, including alpha/beta/rc tags.
-release = '0.8.0'
+release = '0.9.0'
 
 # List of directories, relative to source directory, that shouldn't be searched
 # for source files.
diff --git a/multidb/__init__.py b/multidb/__init__.py
index c416eea..66794a6 100644
--- a/multidb/__init__.py
+++ b/multidb/__init__.py
@@ -36,6 +36,9 @@
 from .pinning import this_thread_is_pinned, db_write  # noqa
 
 
+VERSION = (0, 9, 0)
+__version__ = '.'.join(map(str, VERSION))
+
 DEFAULT_DB_ALIAS = 'default'
 
 
diff --git a/setup.py b/setup.py
index abd8841..d2d7fd8 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name='django-multidb-router',
-    version='0.8',
+    version='0.9',
     description='Round-robin multidb router for Django.',
     long_description=open('README.rst').read(),
     author='Jeff Balogh',