diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7c9f104f..bf33dea42 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # CHANGELOG
 
+## v3.0.0
+
+* Populate `token_expiry` for GCE credentials. (#473)
+* Move GCE metadata interface to a separate module. (#520)
+* Populate `scopes` for GCE credentials. (#524)
+* Fix Python 3.5 compatibility. (#531)
+* Add `oauth2client.contrib.sqlalchemy`, a SQLAlchemy-based credential store. (#527)
+* Improve error when an invalid client secret is provided. (#530)
+* Add `oauth2client.contrib.multiprocess_storage`. This supersedes the functionality in `oauth2client.contrib.multistore_file`. (#504)
+* Pull httplib2 usage into a separate transport module. (#559, #561)
+* Refactor all django-related code into `oauth2client.contrib.django_util`. Add `DjangoORMStorage`, remove `FlowField`. (#546)
+* Fix application default credentials resolution order. (#570)
+* Add configurable timeout for GCE metadata server check. (#571)
+* Add warnings when using deprecated `approval_prompt='force'`. (#572)
+* Add deprecation warning to `oauth2client.contrib.multistore_file`. (#574)
+* (Hygiene) PEP8 compliance and various style fixes (#537, #540, #552, #562)
+* (Hygiene) Remove duplicated exception classes in `oauth2client.contrib.appengine`. (#533)
+
+NOTE: The next major release of oauth2client (v4.0.0) will remove the `oauth2client.contrib.multistore_file` module.
 
 ## v2.2.0
 
diff --git a/oauth2client/__init__.py b/oauth2client/__init__.py
index b35ee1652..28384bb02 100644
--- a/oauth2client/__init__.py
+++ b/oauth2client/__init__.py
@@ -14,7 +14,7 @@
 
 """Client library for using OAuth2, especially with Google APIs."""
 
-__version__ = '2.2.0'
+__version__ = '3.0.0'
 
 GOOGLE_AUTH_URI = 'https://accounts.google.com/o/oauth2/v2/auth'
 GOOGLE_DEVICE_URI = 'https://accounts.google.com/o/oauth2/device/code'