diff --git a/HISTORY.rst b/HISTORY.rst
index a33422c..ac1128a 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,6 +3,11 @@
 Release History
 ===============
 
+0.8.1
++++++
+
+* Add error message for invalid argument value (#244)
+
 0.8.0
 +++++
 
diff --git a/setup.py b/setup.py
index b6d4952..fab43f1 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 from codecs import open
 from setuptools import setup, find_packages
 
-VERSION = '0.8.0'
+VERSION = '0.8.1'
 
 DEPENDENCIES = [
     'argcomplete',