diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 3d3145e..7d9a29c 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.30.0
+current_version = 0.31.0
 commit = True
 tag = True
 message = Release {new_version}
diff --git a/HISTORY.rst b/HISTORY.rst
index 2a8f70c..d9ca097 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,5 +1,7 @@
 Changelog
 ---------
+0.31.0 (2018-01-24)
+~~~~~~~~~~~~~~~~~~~
 
 - Adds an Optional validator that does not ignore "data" and defaults to it.
   [href]
diff --git a/setup.py b/setup.py
index d7a5a76..ada83aa 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 description = (
     'Common OneGov form library based on WTForms.'
 )
-version = '0.30.0'
+version = '0.31.0'
 
 
 def get_long_description():