diff --git a/CHANGES.txt b/CHANGES.txt
index 1854ae0..c25b956 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,5 @@
+0.19-dev (Next Release)
+
 0.18 (2014-01-30)
 
   - Fixed a bug in RTS where popping $FFFF off the stack would cause
diff --git a/docs/conf.py b/docs/conf.py
index dc1585c..5f224b9 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -51,9 +51,9 @@ copyright = u'2008-%d, Mike Naberezny and contributors' % year
 # built documents.
 #
 # The short X.Y version.
-version = '0.18'
+version = '0.19-dev'
 # The full version, including alpha/beta/rc tags.
-release = '0.18'
+release = version
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index 389e13f..40bdf9a 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-__version__ = '0.18'
+__version__ = '0.19-dev'
 
 import os
 import sys