diff --git a/CHANGELOG b/CHANGELOG
index 67a8509..0882e63 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,19 @@
+v1.6.3
+  Version 1.6.3
+
+  Bugfix release
+
+  - Add notification of maintenance mode to README. (#410)
+  - Fix generation of methods with abnormal page token conventions. (#338)
+  - Raise ValueError is credentials and developerKey are both specified. (#358)
+  - Re-generate documentation. (#364, #373, #401)
+  - Fix method signature documentation for multiline required parameters. (#374)
+  - Fix ZeroDivisionError in MediaDownloadProgress.progress. (#377)
+  - Fix dead link to WebTest in README. (#378)
+  - Fix details missing in googleapiclient.errors.HttpError. (#412)
+  - Don't treat httplib2.Credentials as oauth credentials. (#425)
+  - Various fixes to the Django sample. (#413)
+
 v1.6.2
   Version 1.6.2
 
diff --git a/googleapiclient/__init__.py b/googleapiclient/__init__.py
index 4af0c3c..97977bb 100644
--- a/googleapiclient/__init__.py
+++ b/googleapiclient/__init__.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.6.2"
+__version__ = "1.6.3"
 
 # Set default logging handler to avoid "No handler found" warnings.
 import logging