diff --git a/com.google.eclipse.protobuf.feature/feature.xml b/com.google.eclipse.protobuf.feature/feature.xml
index b968391..b9ca702 100644
--- a/com.google.eclipse.protobuf.feature/feature.xml
+++ b/com.google.eclipse.protobuf.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="com.google.eclipse.protobuf"
       label="%featureName"
-      version="1.3.0.qualifier"
+      version="1.3.1.qualifier"
       provider-name="%providerName">
 
    <description url="https://code.google.com/p/protobuf-dt/">
@@ -22,7 +22,6 @@
    </url>
 
    <requires>
-      <import plugin="org.eclipse.xtext" version="2.2.1" match="greaterOrEqual"/>
       <import plugin="org.eclipse.xtext.util"/>
       <import plugin="org.eclipse.emf.ecore"/>
       <import plugin="org.eclipse.emf.common"/>
@@ -30,7 +29,6 @@
       <import plugin="org.eclipse.core.runtime" version="3.7.0" match="greaterOrEqual"/>
       <import plugin="org.apache.log4j"/>
       <import plugin="org.apache.commons.logging"/>
-      <import plugin="org.eclipse.xtext.ui"/>
       <import plugin="org.eclipse.ui.editors" version="3.7.0" match="greaterOrEqual"/>
       <import plugin="org.eclipse.ui.ide" version="3.7.0" match="greaterOrEqual"/>
       <import plugin="org.eclipse.xtext.ui.shared"/>
@@ -43,6 +41,8 @@
       <import plugin="org.eclipse.compare.core" version="3.5.200" match="greaterOrEqual"/>
       <import plugin="org.eclipse.ui.console" version="3.5.100" match="greaterOrEqual"/>
       <import plugin="org.eclipse.ui.workbench.texteditor"/>
+      <import plugin="org.eclipse.xtext" version="2.3.0" match="greaterOrEqual"/>
+      <import plugin="org.eclipse.xtext.ui" version="2.3.0" match="greaterOrEqual"/>
    </requires>
 
    <plugin
diff --git a/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF b/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF
index cfd661a..9f5a129 100644
--- a/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF
+++ b/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF
@@ -2,11 +2,11 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %Bundle-Name
 Bundle-Vendor: %Bundle-Vendor
-Bundle-Version: 1.3.0.qualifier
+Bundle-Version: 1.3.1.qualifier
 Bundle-SymbolicName: com.google.eclipse.protobuf.ui; singleton:=true
 Bundle-ActivationPolicy: lazy
 Require-Bundle: com.google.eclipse.protobuf;visibility:=reexport,
- org.eclipse.xtext.ui,
+ org.eclipse.xtext.ui;bundle-version="2.3.0",
  org.eclipse.ui.editors;bundle-version="3.7.0",
  org.eclipse.ui.ide;bundle-version="3.7.0",
  org.eclipse.xtext.ui.shared,
diff --git a/com.google.eclipse.protobuf/META-INF/MANIFEST.MF b/com.google.eclipse.protobuf/META-INF/MANIFEST.MF
index 57bf156..400a480 100644
--- a/com.google.eclipse.protobuf/META-INF/MANIFEST.MF
+++ b/com.google.eclipse.protobuf/META-INF/MANIFEST.MF
@@ -3,10 +3,10 @@
 Eclipse-ExtensibleAPI: true
 Bundle-Name: %Bundle-Name
 Bundle-Vendor: %Bundle-Vendor
-Bundle-Version: 1.3.0.qualifier
+Bundle-Version: 1.3.1.qualifier
 Bundle-SymbolicName: com.google.eclipse.protobuf; singleton:=true
 Bundle-ActivationPolicy: lazy
-Require-Bundle: org.eclipse.xtext;bundle-version="2.2.1",
+Require-Bundle: org.eclipse.xtext;bundle-version="2.3.0",
  org.eclipse.xtext.generator;resolution:=optional,
  org.eclipse.emf.codegen.ecore;resolution:=optional,
  org.eclipse.emf.mwe.utils;resolution:=optional,
diff --git a/update-site/artifacts.jar b/update-site/artifacts.jar
deleted file mode 100644
index 9c68dc8..0000000
--- a/update-site/artifacts.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/content.jar b/update-site/content.jar
deleted file mode 100644
index 705f7d9..0000000
--- a/update-site/content.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/features/com.google.eclipse.protobuf_1.3.0.201204101726.jar b/update-site/features/com.google.eclipse.protobuf_1.3.0.201204101726.jar
deleted file mode 100644
index 031c268..0000000
--- a/update-site/features/com.google.eclipse.protobuf_1.3.0.201204101726.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/plugins/com.google.eclipse.protobuf.ui_1.3.0.201204101726.jar b/update-site/plugins/com.google.eclipse.protobuf.ui_1.3.0.201204101726.jar
deleted file mode 100644
index 0283b4c..0000000
--- a/update-site/plugins/com.google.eclipse.protobuf.ui_1.3.0.201204101726.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/plugins/com.google.eclipse.protobuf_1.3.0.201204101726.jar b/update-site/plugins/com.google.eclipse.protobuf_1.3.0.201204101726.jar
deleted file mode 100644
index cc863b9..0000000
--- a/update-site/plugins/com.google.eclipse.protobuf_1.3.0.201204101726.jar
+++ /dev/null
Binary files differ
diff --git a/update-site/site.xml b/update-site/site.xml
index 89eeb0b..c8ab81e 100644
--- a/update-site/site.xml
+++ b/update-site/site.xml
@@ -3,6 +3,8 @@
    <description name="protobuf-dt" url="http://protobuf-dt.googlecode.com/git/update-site">
       Update site for protobuf-dt, an Eclipse-based Development Environment for Protocol Buffers.
    </description>
-   <feature url="features/com.google.eclipse.protobuf_1.3.0.201204101726.jar" id="com.google.eclipse.protobuf" version="1.3.0.201204101726"/>
+   <feature url="features/com.google.eclipse.protobuf_1.3.1.qualifier.jar" id="com.google.eclipse.protobuf" version="1.3.1.qualifier">
+      <category name="google"/>
+   </feature>
    <category-def name="google" label="Google Inc."/>
 </site>