diff --git a/features/org.eclipse.dltk.python-feature/feature.xml b/features/org.eclipse.dltk.python-feature/feature.xml
index 2790469..724282a 100644
--- a/features/org.eclipse.dltk.python-feature/feature.xml
+++ b/features/org.eclipse.dltk.python-feature/feature.xml
@@ -17,7 +17,7 @@
 <feature
       id="org.eclipse.dltk.python"
       label="%featureName"
-      version="5.8.1.qualifier"
+      version="5.9.0.qualifier"
       provider-name="%providerName"
       license-feature="org.eclipse.license"
       license-feature-version="0.0.0"
diff --git a/features/org.eclipse.dltk.python-feature/pom.xml b/features/org.eclipse.dltk.python-feature/pom.xml
index 1e11e65..ce83ef1 100644
--- a/features/org.eclipse.dltk.python-feature/pom.xml
+++ b/features/org.eclipse.dltk.python-feature/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>python</artifactId>
     <groupId>org.eclipse.dltk.python</groupId>
-    <version>5.8.1-SNAPSHOT</version>
+    <version>5.9.0-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.eclipse.dltk.features</groupId>
diff --git a/features/org.eclipse.dltk.python.sdk/feature.xml b/features/org.eclipse.dltk.python.sdk/feature.xml
index 3eeec6a..5f29204 100644
--- a/features/org.eclipse.dltk.python.sdk/feature.xml
+++ b/features/org.eclipse.dltk.python.sdk/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.dltk.python.sdk"
       label="%featureName"
-      version="5.8.1.qualifier"
+      version="5.9.0.qualifier"
       provider-name="%providerName"
       license-feature="org.eclipse.license"
       license-feature-version="0.0.0"
diff --git a/features/org.eclipse.dltk.python.sdk/pom.xml b/features/org.eclipse.dltk.python.sdk/pom.xml
index fbd0028..0cbb9a8 100644
--- a/features/org.eclipse.dltk.python.sdk/pom.xml
+++ b/features/org.eclipse.dltk.python.sdk/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>python</artifactId>
     <groupId>org.eclipse.dltk.python</groupId>
-    <version>5.8.1-SNAPSHOT</version>
+    <version>5.9.0-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <artifactId>org.eclipse.dltk.python.sdk</artifactId>
diff --git a/plugins/org.eclipse.dltk.python.activestatedebugger/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.python.activestatedebugger/META-INF/MANIFEST.MF
index 3b8de4e..7a5f4d9 100644
--- a/plugins/org.eclipse.dltk.python.activestatedebugger/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.python.activestatedebugger/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.dltk.python.activestatedebugger;singleton:=true
-Bundle-Version: 5.8.1.qualifier
+Bundle-Version: 5.9.0.qualifier
 Bundle-Activator: org.eclipse.dltk.python.activestatedebugger.PythonActiveStateDebuggerPlugin
 Bundle-Vendor: %pluginProvider
 Bundle-Localization: plugin
diff --git a/plugins/org.eclipse.dltk.python.activestatedebugger/pom.xml b/plugins/org.eclipse.dltk.python.activestatedebugger/pom.xml
index e7c4741..56ea324 100644
--- a/plugins/org.eclipse.dltk.python.activestatedebugger/pom.xml
+++ b/plugins/org.eclipse.dltk.python.activestatedebugger/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>python</artifactId>
     <groupId>org.eclipse.dltk.python</groupId>
-    <version>5.8.1-SNAPSHOT</version>
+    <version>5.9.0-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <artifactId>org.eclipse.dltk.python.activestatedebugger</artifactId>
diff --git a/plugins/org.eclipse.dltk.python.core/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.python.core/META-INF/MANIFEST.MF
index 78a5ad8..f02d53e 100644
--- a/plugins/org.eclipse.dltk.python.core/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.python.core/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.dltk.python.core;singleton:=true
-Bundle-Version: 5.8.1.qualifier
+Bundle-Version: 5.9.0.qualifier
 Bundle-Activator: org.eclipse.dltk.python.core.PythonPlugin
 Bundle-Vendor: %pluginProvider
 Bundle-Localization: plugin
diff --git a/plugins/org.eclipse.dltk.python.core/pom.xml b/plugins/org.eclipse.dltk.python.core/pom.xml
index 9764081..befa960 100644
--- a/plugins/org.eclipse.dltk.python.core/pom.xml
+++ b/plugins/org.eclipse.dltk.python.core/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>python</artifactId>
     <groupId>org.eclipse.dltk.python</groupId>
-    <version>5.8.1-SNAPSHOT</version>
+    <version>5.9.0-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <artifactId>org.eclipse.dltk.python.core</artifactId>
diff --git a/plugins/org.eclipse.dltk.python.debug.ui/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.python.debug.ui/META-INF/MANIFEST.MF
index e37433a..d4b6e2b 100644
--- a/plugins/org.eclipse.dltk.python.debug.ui/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.python.debug.ui/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.dltk.python.debug.ui;singleton:=true
-Bundle-Version: 5.8.1.qualifier
+Bundle-Version: 5.9.0.qualifier
 Bundle-Activator: org.eclipse.dltk.python.internal.debug.ui.PythonDebugUIPlugin
 Bundle-Vendor: %pluginProvider
 Bundle-Localization: plugin
diff --git a/plugins/org.eclipse.dltk.python.debug.ui/pom.xml b/plugins/org.eclipse.dltk.python.debug.ui/pom.xml
index 9e9e91d..f0b2296 100644
--- a/plugins/org.eclipse.dltk.python.debug.ui/pom.xml
+++ b/plugins/org.eclipse.dltk.python.debug.ui/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>python</artifactId>
     <groupId>org.eclipse.dltk.python</groupId>
-    <version>5.8.1-SNAPSHOT</version>
+    <version>5.9.0-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <artifactId>org.eclipse.dltk.python.debug.ui</artifactId>
diff --git a/plugins/org.eclipse.dltk.python.debug/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.python.debug/META-INF/MANIFEST.MF
index 1b387ea..f01020f 100644
--- a/plugins/org.eclipse.dltk.python.debug/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.python.debug/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.dltk.python.debug;singleton:=true
-Bundle-Version: 5.8.1.qualifier
+Bundle-Version: 5.9.0.qualifier
 Bundle-Activator: org.eclipse.dltk.python.internal.debug.PythonDebugPlugin
 Bundle-Vendor: %pluginProvider
 Require-Bundle: org.eclipse.core.runtime,
diff --git a/plugins/org.eclipse.dltk.python.debug/pom.xml b/plugins/org.eclipse.dltk.python.debug/pom.xml
index 840a11c..f48c3bc 100644
--- a/plugins/org.eclipse.dltk.python.debug/pom.xml
+++ b/plugins/org.eclipse.dltk.python.debug/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>python</artifactId>
     <groupId>org.eclipse.dltk.python</groupId>
-    <version>5.8.1-SNAPSHOT</version>
+    <version>5.9.0-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <artifactId>org.eclipse.dltk.python.debug</artifactId>
diff --git a/plugins/org.eclipse.dltk.python.launching/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.python.launching/META-INF/MANIFEST.MF
index a25df44..517be3c 100644
--- a/plugins/org.eclipse.dltk.python.launching/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.python.launching/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.dltk.python.launching;singleton:=true
-Bundle-Version: 5.8.1.qualifier
+Bundle-Version: 5.9.0.qualifier
 Bundle-Activator: org.eclipse.dltk.python.launching.PythonLaunchingPlugin
 Bundle-Vendor: %pluginProvider
 Bundle-Localization: plugin
diff --git a/plugins/org.eclipse.dltk.python.launching/pom.xml b/plugins/org.eclipse.dltk.python.launching/pom.xml
index a0e6eb8..dd65ed3 100644
--- a/plugins/org.eclipse.dltk.python.launching/pom.xml
+++ b/plugins/org.eclipse.dltk.python.launching/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>python</artifactId>
     <groupId>org.eclipse.dltk.python</groupId>
-    <version>5.8.1-SNAPSHOT</version>
+    <version>5.9.0-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <artifactId>org.eclipse.dltk.python.launching</artifactId>
diff --git a/plugins/org.eclipse.dltk.python.ui/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.python.ui/META-INF/MANIFEST.MF
index 045ef2c..ec44a9d 100644
--- a/plugins/org.eclipse.dltk.python.ui/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.python.ui/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.dltk.python.ui;singleton:=true
-Bundle-Version: 5.8.1.qualifier
+Bundle-Version: 5.9.0.qualifier
 Bundle-Activator: org.eclipse.dltk.python.internal.ui.PythonUI
 Bundle-Vendor: %pluginProvider
 Bundle-Localization: plugin
diff --git a/plugins/org.eclipse.dltk.python.ui/pom.xml b/plugins/org.eclipse.dltk.python.ui/pom.xml
index 1918327..9de57ea 100644
--- a/plugins/org.eclipse.dltk.python.ui/pom.xml
+++ b/plugins/org.eclipse.dltk.python.ui/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>python</artifactId>
     <groupId>org.eclipse.dltk.python</groupId>
-    <version>5.8.1-SNAPSHOT</version>
+    <version>5.9.0-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <artifactId>org.eclipse.dltk.python.ui</artifactId>
diff --git a/pom.xml b/pom.xml
index 17c66a4..7360bb2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.eclipse.dltk</groupId>
 		<artifactId>dltk.build.all</artifactId>
-		<version>5.8.1-SNAPSHOT</version>
+		<version>5.9.0-SNAPSHOT</version>
 		<relativePath>../org.eclipse.dltk.releng/pom.xml</relativePath>
 	</parent>
 	<groupId>org.eclipse.dltk.python</groupId>