diff --git a/CHANGES.rst b/CHANGES.rst
index dffcbe5..db436e6 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,7 +1,7 @@
 Changelog
 =========
 
-3.0.7 (unreleased)
+3.1.1 (unreleased)
 ------------------
 
 Breaking changes:
@@ -10,6 +10,18 @@ Breaking changes:
 
 New features:
 
+- *add item here*
+
+Bug fixes:
+
+- *add item here*
+
+
+3.1.0 (2018-10-30)
+------------------
+
+New features:
+
 - Added notification about the publishing or elimination of a comment.
   [eikichi18]
 
diff --git a/setup.py b/setup.py
index a30fec0..ed0394e 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@ from setuptools import find_packages
 from setuptools import setup
 
 
-version = '3.0.7.dev0'
+version = '3.1.1.dev0'
 
 install_requires = [
     'setuptools',