diff --git a/CHANGES.txt b/CHANGES.txt
index 8c566b1..38676dd 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,8 @@
 Apache ManifoldCF Plugin for SharePoint 2010 change Log
 $Id$
 
+======================= 0.5-dev =====================
+
 ======================= Release 0.4 =====================
 
 CONNECTORS-813: Include a URL that should be used to send to the
diff --git a/build.xml b/build.xml
index 116779f..225e53f 100644
--- a/build.xml
+++ b/build.xml
@@ -53,7 +53,7 @@
     <target name="build" depends="deliver"/>
     
     <target name="set-version">
-        <property name="release-version" value="0.4"/>
+        <property name="release-version" value="0.5-dev"/>
     </target>
       
     <target name="create-source-zip" depends="set-version">