diff --git a/plugins/org.eclipse.xtext.ide/META-INF/MANIFEST.MF b/plugins/org.eclipse.xtext.ide/META-INF/MANIFEST.MF
index 02b35debc..e58ce1553 100644
--- a/plugins/org.eclipse.xtext.ide/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.xtext.ide/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.xtext.ide;singleton:=true
-Bundle-Version: 2.8.3.qualifier
+Bundle-Version: 2.8.4.qualifier
 Bundle-Localization: plugin
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Bundle-ActivationPolicy: lazy
diff --git a/plugins/org.eclipse.xtext.junit4/META-INF/MANIFEST.MF b/plugins/org.eclipse.xtext.junit4/META-INF/MANIFEST.MF
index 7d489323c..37afc4391 100644
--- a/plugins/org.eclipse.xtext.junit4/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.xtext.junit4/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Xtext Junit4 Support
 Bundle-SymbolicName: org.eclipse.xtext.junit4
-Bundle-Version: 2.8.3.qualifier
+Bundle-Version: 2.8.4.qualifier
 Bundle-Vendor: Eclipse Modeling Project
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Export-Package: org.eclipse.xtext.junit4,
@@ -35,5 +35,5 @@ Require-Bundle: org.eclipse.xtext,
  org.eclipse.jdt.launching;bundle-version="3.5.200";resolution:=optional;x-installation:=greedy,
  org.apache.log4j;bundle-version="1.2.15";resolution:=optional,
  org.eclipse.xtext.xbase.lib;resolution:=optional,
- org.eclipse.xtend.lib;bundle-version="2.8.3";resolution:=optional
+ org.eclipse.xtend.lib;bundle-version="2.8.4";resolution:=optional
 
diff --git a/plugins/org.eclipse.xtext.util/META-INF/MANIFEST.MF b/plugins/org.eclipse.xtext.util/META-INF/MANIFEST.MF
index 486731633..f46830051 100644
--- a/plugins/org.eclipse.xtext.util/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.xtext.util/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@ Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-Localization: plugin
 Bundle-SymbolicName: org.eclipse.xtext.util
-Bundle-Version: 2.8.3.qualifier
+Bundle-Version: 2.8.4.qualifier
 Bundle-Vendor: %providerName
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Export-Package: org.eclipse.xtext.util;
diff --git a/plugins/org.eclipse.xtext.util/pom.xml b/plugins/org.eclipse.xtext.util/pom.xml
index ed80fc490..8dbb91483 100644
--- a/plugins/org.eclipse.xtext.util/pom.xml
+++ b/plugins/org.eclipse.xtext.util/pom.xml
@@ -63,6 +63,6 @@
 		<relativePath>../../maven/org.eclipse.xtext.parent</relativePath>
 		<groupId>org.eclipse.xtext</groupId>
 		<artifactId>org.eclipse.xtext.parent</artifactId>
-		<version>2.8.3-SNAPSHOT</version>
+		<version>2.8.4-SNAPSHOT</version>
 	</parent>
 </project>
diff --git a/plugins/org.eclipse.xtext/.settings/.api_filters b/plugins/org.eclipse.xtext/.settings/.api_filters
index 601ad07b0..bf7f77a3a 100644
--- a/plugins/org.eclipse.xtext/.settings/.api_filters
+++ b/plugins/org.eclipse.xtext/.settings/.api_filters
@@ -3,13 +3,13 @@
     <resource path="META-INF/MANIFEST.MF">
         <filter id="923795461">
             <message_arguments>
-                <message_argument value="2.8.3"/>
+                <message_argument value="2.8.4"/>
                 <message_argument value="2.7.0"/>
             </message_arguments>
         </filter>
         <filter comment="version will be generated during buckminster build" id="927989779">
             <message_arguments>
-                <message_argument value="2.8.3"/>
+                <message_argument value="2.8.4"/>
                 <message_argument value="org.eclipse.xtext.util"/>
             </message_arguments>
         </filter>
diff --git a/plugins/org.eclipse.xtext/META-INF/MANIFEST.MF b/plugins/org.eclipse.xtext/META-INF/MANIFEST.MF
index 387849616..611166184 100644
--- a/plugins/org.eclipse.xtext/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.xtext/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.xtext;singleton:=true
-Bundle-Version: 2.8.3.qualifier
+Bundle-Version: 2.8.4.qualifier
 Bundle-ClassPath: .
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
diff --git a/tests/org.eclipse.xtext.junit4.tests/META-INF/MANIFEST.MF b/tests/org.eclipse.xtext.junit4.tests/META-INF/MANIFEST.MF
index 31acf3e44..77c187fce 100644
--- a/tests/org.eclipse.xtext.junit4.tests/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.xtext.junit4.tests/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@ Bundle-ManifestVersion: 2
 Bundle-Name: org.eclipse.xtext.junit4.tests
 Bundle-SymbolicName: org.eclipse.xtext.junit4.tests
 Bundle-Vendor: Eclipse Modeling Project
-Bundle-Version: 2.8.3.qualifier
+Bundle-Version: 2.8.4.qualifier
 Require-Bundle: org.junit,
  org.eclipse.xtext.junit4,
  com.google.inject;bundle-version="3.0.0",
diff --git a/tests/org.eclipse.xtext.testlanguages/META-INF/MANIFEST.MF b/tests/org.eclipse.xtext.testlanguages/META-INF/MANIFEST.MF
index eac0085c9..e5e7df305 100644
--- a/tests/org.eclipse.xtext.testlanguages/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.xtext.testlanguages/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Common Xtext Testlanguages For UI and Runtime - Runtime
 Bundle-Vendor: Eclipse Modeling Project
-Bundle-Version: 2.8.3.qualifier
+Bundle-Version: 2.8.4.qualifier
 Bundle-SymbolicName: org.eclipse.xtext.testlanguages; singleton:=true
 Bundle-ActivationPolicy: lazy
 Require-Bundle: org.eclipse.xtext,
diff --git a/tests/org.eclipse.xtext.testlanguages/pom.xml b/tests/org.eclipse.xtext.testlanguages/pom.xml
index d8a453d72..2bc8a69e9 100644
--- a/tests/org.eclipse.xtext.testlanguages/pom.xml
+++ b/tests/org.eclipse.xtext.testlanguages/pom.xml
@@ -52,12 +52,12 @@
 		<dependency>
 			<groupId>org.eclipse.xtext</groupId>
 			<artifactId>org.eclipse.xtext</artifactId>
-			<version>2.8.3-SNAPSHOT</version>
+			<version>2.8.4-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>org.eclipse.xtext</groupId>
 			<artifactId>org.eclipse.xtext.xbase.lib</artifactId>
-			<version>2.8.3-SNAPSHOT</version>
+			<version>2.8.4-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>org.eclipse.emf</groupId>
diff --git a/tests/org.eclipse.xtext.tests/META-INF/MANIFEST.MF b/tests/org.eclipse.xtext.tests/META-INF/MANIFEST.MF
index 0c60bf975..3030fade7 100644
--- a/tests/org.eclipse.xtext.tests/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.xtext.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.xtext.tests;singleton:=true
-Bundle-Version: 2.8.3.qualifier
+Bundle-Version: 2.8.4.qualifier
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6