diff --git a/CHANGES.txt b/CHANGES.txt
index 1ef854c..2c67569 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,7 +1,7 @@
 Apache ManifoldCF Plugin for Apache Solr 4.x change Log
 $Id$
 
-======================= 0.5-dev =====================
+======================= 1.1-dev =====================
 
 Add functionality making the plugin compatible with multi-domain
 features of ManifoldCF.  Specifically, allow multiple domain/username
diff --git a/README.txt b/README.txt
index 9fe78af..4982112 100644
--- a/README.txt
+++ b/README.txt
@@ -14,6 +14,12 @@
 # limitations under the License.
 
 
+Compatibility
+------------
+
+This version of this component is only compatible with ManifoldCF 1.5 and above,
+and cannot be used with earlier releases of ManifoldCF.
+
 Instructions for Building Apache ManifoldCF Plugin for Apache Solr 4.x from Source
 ------------------------------------------------------------------------------
 
diff --git a/build.xml b/build.xml
index d8083ad..0a3b6da 100644
--- a/build.xml
+++ b/build.xml
@@ -69,7 +69,7 @@
   <target name="build" depends="deliver"/>
 
   <target name="set-version">
-      <property name="release-version" value="0.5-dev"/>
+      <property name="release-version" value="1.1-dev"/>
   </target>
     
   <target name="create-source-zip" depends="set-version">