diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 2e14e7df..c5d90072 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -14,6 +14,12 @@ Change Log
 Unreleased
 ~~~~~~~~~~
 
+[3.1.0] - 2021-04-28
+~~~~~~~~~~~~~~~~~~~~
+
+* Add Koa support.
+* Upgrade Python to 3.8.
+
 [2.2.1] - 2020-06-05
 ~~~~~~~~~~~~~~~~~~~~
 
diff --git a/completion_aggregator/__init__.py b/completion_aggregator/__init__.py
index 613eca8e..65bbc26f 100644
--- a/completion_aggregator/__init__.py
+++ b/completion_aggregator/__init__.py
@@ -4,6 +4,6 @@
 
 from __future__ import absolute_import, unicode_literals
 
-__version__ = '3.0.3'
+__version__ = '3.1.0'
 
 default_app_config = 'completion_aggregator.apps.CompletionAggregatorAppConfig'  # pylint: disable=invalid-name