diff --git a/features/org.eclipse.dltk.sh-feature/feature.xml b/features/org.eclipse.dltk.sh-feature/feature.xml
index 8d8130b..5e2aa59 100644
--- a/features/org.eclipse.dltk.sh-feature/feature.xml
+++ b/features/org.eclipse.dltk.sh-feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.dltk.sh"
       label="Dynamic Languages Toolkit - ShellEd IDE"
-      version="5.9.0.qualifier"
+      version="5.8.1.qualifier"
       provider-name="Eclipse DLTK"
       license-feature="org.eclipse.license"
       license-feature-version="0.0.0">
diff --git a/features/org.eclipse.dltk.sh-feature/pom.xml b/features/org.eclipse.dltk.sh-feature/pom.xml
index 509160d..5109dc8 100644
--- a/features/org.eclipse.dltk.sh-feature/pom.xml
+++ b/features/org.eclipse.dltk.sh-feature/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <groupId>org.eclipse.dltk.sh</groupId>
     <artifactId>parent</artifactId>
-    <version>5.9.0-SNAPSHOT</version>
+    <version>5.8.1-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
 
diff --git a/features/org.eclipse.dltk.sh.sdk/feature.xml b/features/org.eclipse.dltk.sh.sdk/feature.xml
index 319b8af..5140c56 100644
--- a/features/org.eclipse.dltk.sh.sdk/feature.xml
+++ b/features/org.eclipse.dltk.sh.sdk/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.dltk.sh.sdk"
       label="Dynamic Languages Toolkit - ShellEd IDE SDK"
-      version="5.9.0.qualifier"
+      version="5.8.1.qualifier"
       provider-name="Eclipse DLTK"
       license-feature="org.eclipse.license"
       license-feature-version="0.0.0">
diff --git a/features/org.eclipse.dltk.sh.sdk/pom.xml b/features/org.eclipse.dltk.sh.sdk/pom.xml
index 7f3c65f..4ec8fd7 100644
--- a/features/org.eclipse.dltk.sh.sdk/pom.xml
+++ b/features/org.eclipse.dltk.sh.sdk/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <groupId>org.eclipse.dltk.sh</groupId>
     <artifactId>parent</artifactId>
-    <version>5.9.0-SNAPSHOT</version>
+    <version>5.8.1-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
 
diff --git a/plugins/org.eclipse.dltk.sh.core/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.sh.core/META-INF/MANIFEST.MF
index 1417148..5fd1332 100644
--- a/plugins/org.eclipse.dltk.sh.core/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.sh.core/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: ShellEd Core Plug-in
 Bundle-SymbolicName: org.eclipse.dltk.sh.core;singleton:=true
-Bundle-Version: 5.9.0.qualifier
+Bundle-Version: 5.8.1.qualifier
 Bundle-Vendor: Eclipse DLTK
 Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.core.resources,
diff --git a/plugins/org.eclipse.dltk.sh.core/pom.xml b/plugins/org.eclipse.dltk.sh.core/pom.xml
index c36146f..4e559f3 100644
--- a/plugins/org.eclipse.dltk.sh.core/pom.xml
+++ b/plugins/org.eclipse.dltk.sh.core/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.dltk.sh</groupId>
     <artifactId>parent</artifactId>
-    <version>5.9.0-SNAPSHOT</version>
+    <version>5.8.1-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
 
diff --git a/plugins/org.eclipse.dltk.sh.doc/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.sh.doc/META-INF/MANIFEST.MF
index 207c367..4f08a49 100644
--- a/plugins/org.eclipse.dltk.sh.doc/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.sh.doc/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: ShellEd Documentation Plug-in
 Bundle-SymbolicName: org.eclipse.dltk.sh.doc;singleton:=true
-Bundle-Version: 5.9.0.qualifier
+Bundle-Version: 5.8.1.qualifier
 Bundle-Vendor: Eclipse DLTK
 Require-Bundle: org.eclipse.help
 Bundle-ActivationPolicy: lazy
diff --git a/plugins/org.eclipse.dltk.sh.doc/pom.xml b/plugins/org.eclipse.dltk.sh.doc/pom.xml
index 23f978f..8f86963 100644
--- a/plugins/org.eclipse.dltk.sh.doc/pom.xml
+++ b/plugins/org.eclipse.dltk.sh.doc/pom.xml
@@ -18,7 +18,7 @@
 	<parent>
 		<groupId>org.eclipse.dltk.sh</groupId>
 		<artifactId>parent</artifactId>
-		<version>5.9.0-SNAPSHOT</version>
+		<version>5.8.1-SNAPSHOT</version>
 		<relativePath>../..</relativePath>
 	</parent>
 
diff --git a/plugins/org.eclipse.dltk.sh.ui/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.sh.ui/META-INF/MANIFEST.MF
index aa68ee3..f89dbc4 100644
--- a/plugins/org.eclipse.dltk.sh.ui/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.sh.ui/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: ShellEd UI Plug-in
 Bundle-SymbolicName: org.eclipse.dltk.sh.ui;singleton:=true
-Bundle-Version: 5.9.0.qualifier
+Bundle-Version: 5.8.1.qualifier
 Bundle-Activator: org.eclipse.dltk.sh.internal.ui.Activator
 Require-Bundle: org.eclipse.ui,
  org.eclipse.core.runtime,
diff --git a/plugins/org.eclipse.dltk.sh.ui/pom.xml b/plugins/org.eclipse.dltk.sh.ui/pom.xml
index bf13ab7..edc05e7 100644
--- a/plugins/org.eclipse.dltk.sh.ui/pom.xml
+++ b/plugins/org.eclipse.dltk.sh.ui/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.dltk.sh</groupId>
     <artifactId>parent</artifactId>
-    <version>5.9.0-SNAPSHOT</version>
+    <version>5.8.1-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index ae245e2..1a9894d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,12 +13,12 @@
 	<parent>
 		<groupId>org.eclipse.dltk</groupId>
 		<artifactId>dltk.build.all</artifactId>
-		<version>5.9.0-SNAPSHOT</version>
+		<version>5.8.1-SNAPSHOT</version>
 		<relativePath>../org.eclipse.dltk.releng/pom.xml</relativePath>
 	</parent>
 	<groupId>org.eclipse.dltk.sh</groupId>
 	<artifactId>parent</artifactId>
-	<version>5.9.0-SNAPSHOT</version>
+	<version>5.8.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>ShellEd</name>
 	<properties>
diff --git a/tests/org.eclipse.dltk.sh.core.tests/META-INF/MANIFEST.MF b/tests/org.eclipse.dltk.sh.core.tests/META-INF/MANIFEST.MF
index 44a4ef0..2b17aa8 100644
--- a/tests/org.eclipse.dltk.sh.core.tests/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.dltk.sh.core.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: Tests
 Bundle-SymbolicName: org.eclipse.dltk.sh.core.tests
-Bundle-Version: 5.9.0.qualifier
+Bundle-Version: 5.8.1.qualifier
 Bundle-Vendor: Eclipse DLTK
 Require-Bundle: org.junit;bundle-version="4.10.0"
 Bundle-ActivationPolicy: lazy
diff --git a/tests/org.eclipse.dltk.sh.core.tests/pom.xml b/tests/org.eclipse.dltk.sh.core.tests/pom.xml
index e40ce54..d6605d6 100644
--- a/tests/org.eclipse.dltk.sh.core.tests/pom.xml
+++ b/tests/org.eclipse.dltk.sh.core.tests/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <groupId>org.eclipse.dltk.sh</groupId>
     <artifactId>parent</artifactId>
-    <version>5.9.0-SNAPSHOT</version>
+    <version>5.8.1-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
 
diff --git a/tests/org.eclipse.dltk.sh.ui.tests/META-INF/MANIFEST.MF b/tests/org.eclipse.dltk.sh.ui.tests/META-INF/MANIFEST.MF
index 339cb4c..7b0f456 100644
--- a/tests/org.eclipse.dltk.sh.ui.tests/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.dltk.sh.ui.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: Tests for the ShellEd UI plugin
 Bundle-SymbolicName: org.eclipse.dltk.sh.ui.tests
-Bundle-Version: 5.9.0.qualifier
+Bundle-Version: 5.8.1.qualifier
 Require-Bundle: org.junit;bundle-version="4.10.0"
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
diff --git a/tests/org.eclipse.dltk.sh.ui.tests/pom.xml b/tests/org.eclipse.dltk.sh.ui.tests/pom.xml
index 350a4d6..20a7ce1 100644
--- a/tests/org.eclipse.dltk.sh.ui.tests/pom.xml
+++ b/tests/org.eclipse.dltk.sh.ui.tests/pom.xml
@@ -9,12 +9,12 @@
 	<parent>
 		<groupId>org.eclipse.dltk.sh</groupId>
 		<artifactId>parent</artifactId>
-		<version>5.9.0-SNAPSHOT</version>
+		<version>5.8.1-SNAPSHOT</version>
 		<relativePath>../..</relativePath>
 	</parent>
 
 	<artifactId>org.eclipse.dltk.sh.ui.tests</artifactId>
-	<version>5.9.0-SNAPSHOT</version>
+	<version>5.8.1-SNAPSHOT</version>
 	<packaging>eclipse-test-plugin</packaging>
 
 	<name>ShellEd UI test plugin</name>
diff --git a/update.site/pom.xml b/update.site/pom.xml
index e0417cc..6631783 100644
--- a/update.site/pom.xml
+++ b/update.site/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.dltk.sh</groupId>
     <artifactId>parent</artifactId>
-    <version>5.9.0-SNAPSHOT</version>
+    <version>5.8.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.dltk.sh.site</artifactId>