diff --git a/examples/plugins/org.eclipse.bpmn2.modeler.examples.customtask/META-INF/MANIFEST.MF b/examples/plugins/org.eclipse.bpmn2.modeler.examples.customtask/META-INF/MANIFEST.MF
index c0585a1..2af3aa8 100644
--- a/examples/plugins/org.eclipse.bpmn2.modeler.examples.customtask/META-INF/MANIFEST.MF
+++ b/examples/plugins/org.eclipse.bpmn2.modeler.examples.customtask/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.examples.customtask;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Bundle-ClassPath: .
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
@@ -13,8 +13,8 @@
 Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.emf.ecore;visibility:=reexport,
  org.eclipse.emf.ecore.xmi;visibility:=reexport,
- org.eclipse.graphiti;bundle-version="[0.14.0,0.16.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.16.0)",
+ org.eclipse.graphiti;bundle-version="[0.14.0,0.17.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.17.0)",
  org.eclipse.gef,
  org.eclipse.bpmn2,
  org.eclipse.bpmn2.edit,
diff --git a/examples/plugins/org.eclipse.bpmn2.modeler.examples.customtask/pom.xml b/examples/plugins/org.eclipse.bpmn2.modeler.examples.customtask/pom.xml
index 8ce8181..0a784e9 100644
--- a/examples/plugins/org.eclipse.bpmn2.modeler.examples.customtask/pom.xml
+++ b/examples/plugins/org.eclipse.bpmn2.modeler.examples.customtask/pom.xml
@@ -14,7 +14,7 @@
   <parent>
 	<groupId>org.eclipse.bpmn2.modeler.examples.plugins</groupId>
 	<artifactId>org.eclipse.bpmn2.modeler.examples.plugins.parent</artifactId>
-    <version>1.6.0-SNAPSHOT</version>
+    <version>1.5.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/examples/plugins/org.eclipse.bpmn2.modeler.examples.datatypes/META-INF/MANIFEST.MF b/examples/plugins/org.eclipse.bpmn2.modeler.examples.datatypes/META-INF/MANIFEST.MF
index 872604e..b3dcfa3 100644
--- a/examples/plugins/org.eclipse.bpmn2.modeler.examples.datatypes/META-INF/MANIFEST.MF
+++ b/examples/plugins/org.eclipse.bpmn2.modeler.examples.datatypes/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.examples.datatypes;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Bundle-Activator: org.eclipse.bpmn2.modeler.examples.datatypes.Activator
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
@@ -13,8 +13,8 @@
  org.eclipse.emf.transaction,
  org.eclipse.bpmn2.modeler.core,
  org.eclipse.bpmn2.modeler.ui,
- org.eclipse.graphiti;bundle-version="[0.14.0,0.16.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.16.0)",
+ org.eclipse.graphiti;bundle-version="[0.14.0,0.17.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.17.0)",
  org.eclipse.bpmn2
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Bundle-ActivationPolicy: lazy
diff --git a/examples/plugins/org.eclipse.bpmn2.modeler.examples.datatypes/pom.xml b/examples/plugins/org.eclipse.bpmn2.modeler.examples.datatypes/pom.xml
index 2044456..2f86139 100644
--- a/examples/plugins/org.eclipse.bpmn2.modeler.examples.datatypes/pom.xml
+++ b/examples/plugins/org.eclipse.bpmn2.modeler.examples.datatypes/pom.xml
@@ -14,7 +14,7 @@
   <parent>
 	<groupId>org.eclipse.bpmn2.modeler.examples.plugins</groupId>
 	<artifactId>org.eclipse.bpmn2.modeler.examples.plugins.parent</artifactId>
-    <version>1.6.0-SNAPSHOT</version>
+    <version>1.5.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/examples/plugins/org.eclipse.bpmn2.modeler.examples.dynamic/META-INF/MANIFEST.MF b/examples/plugins/org.eclipse.bpmn2.modeler.examples.dynamic/META-INF/MANIFEST.MF
index 4c036b3..0495dec 100644
--- a/examples/plugins/org.eclipse.bpmn2.modeler.examples.dynamic/META-INF/MANIFEST.MF
+++ b/examples/plugins/org.eclipse.bpmn2.modeler.examples.dynamic/META-INF/MANIFEST.MF
@@ -3,15 +3,15 @@
 Bundle-Localization: plugin
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.examples.dynamic;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Bundle-Activator: org.eclipse.bpmn2.modeler.examples.dynamic.Activator
 Bundle-Vendor: %providerName
 Require-Bundle: org.eclipse.ui.ide,
  org.eclipse.core.runtime,
  org.eclipse.ui.views.properties.tabbed,
  org.eclipse.gef,
- org.eclipse.graphiti;bundle-version="[0.14.0,0.16.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.16.0)",
+ org.eclipse.graphiti;bundle-version="[0.14.0,0.17.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.17.0)",
  org.eclipse.emf.transaction,
  org.eclipse.emf.databinding,
  org.eclipse.emf.edit.ui,
diff --git a/examples/plugins/org.eclipse.bpmn2.modeler.examples.dynamic/pom.xml b/examples/plugins/org.eclipse.bpmn2.modeler.examples.dynamic/pom.xml
index 761c025..e6a2d7e 100644
--- a/examples/plugins/org.eclipse.bpmn2.modeler.examples.dynamic/pom.xml
+++ b/examples/plugins/org.eclipse.bpmn2.modeler.examples.dynamic/pom.xml
@@ -14,7 +14,7 @@
   <parent>
 	<groupId>org.eclipse.bpmn2.modeler.examples.plugins</groupId>
 	<artifactId>org.eclipse.bpmn2.modeler.examples.plugins.parent</artifactId>
-    <version>1.6.0-SNAPSHOT</version>
+    <version>1.5.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/examples/plugins/org.eclipse.bpmn2.modeler.examples.modelreader/META-INF/MANIFEST.MF b/examples/plugins/org.eclipse.bpmn2.modeler.examples.modelreader/META-INF/MANIFEST.MF
index ce9cf63..647291b 100644
--- a/examples/plugins/org.eclipse.bpmn2.modeler.examples.modelreader/META-INF/MANIFEST.MF
+++ b/examples/plugins/org.eclipse.bpmn2.modeler.examples.modelreader/META-INF/MANIFEST.MF
@@ -2,15 +2,15 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.examples.modelreader;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Bundle-Vendor: %providerName
 Export-Package: org.eclipse.bpmn2.modeler.examples.modelreader
 Require-Bundle: org.eclipse.ui.ide,
  org.eclipse.core.runtime,
  org.eclipse.ui.views.properties.tabbed,
  org.eclipse.gef,
- org.eclipse.graphiti;bundle-version="[0.14.0,0.16.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.16.0)",
+ org.eclipse.graphiti;bundle-version="[0.14.0,0.17.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.17.0)",
  org.eclipse.emf.transaction,
  org.eclipse.emf.databinding,
  org.eclipse.emf.edit.ui,
diff --git a/examples/plugins/org.eclipse.bpmn2.modeler.examples.modelreader/pom.xml b/examples/plugins/org.eclipse.bpmn2.modeler.examples.modelreader/pom.xml
index 633288d..027a49c 100644
--- a/examples/plugins/org.eclipse.bpmn2.modeler.examples.modelreader/pom.xml
+++ b/examples/plugins/org.eclipse.bpmn2.modeler.examples.modelreader/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.examples.plugins</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.examples.plugins.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/examples/plugins/pom.xml b/examples/plugins/pom.xml
index cc299b0..81d18b3 100644
--- a/examples/plugins/pom.xml
+++ b/examples/plugins/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.examples</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.examples.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/examples/pom.xml b/examples/pom.xml
index f9d211a..aeef9cd 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../parent/pom.xml</relativePath>
 	</parent>
 
diff --git a/examples/projects/pom.xml b/examples/projects/pom.xml
index 8396785..2b20182 100644
--- a/examples/projects/pom.xml
+++ b/examples/projects/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.examples</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.examples.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/features/org.eclipse.bpmn2.modeler.examples/feature.xml b/features/org.eclipse.bpmn2.modeler.examples/feature.xml
index 94a0a24..53fb35a 100644
--- a/features/org.eclipse.bpmn2.modeler.examples/feature.xml
+++ b/features/org.eclipse.bpmn2.modeler.examples/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.bpmn2.modeler.examples"
       label="BPMN2 Modeler - Examples"
-      version="1.6.0.qualifier"
+      version="1.5.1.qualifier"
       provider-name="%providerName">
 
    <description>
diff --git a/features/org.eclipse.bpmn2.modeler.examples/pom.xml b/features/org.eclipse.bpmn2.modeler.examples/pom.xml
index 39a3e44..5c8fbb8 100644
--- a/features/org.eclipse.bpmn2.modeler.examples/pom.xml
+++ b/features/org.eclipse.bpmn2.modeler.examples/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.features</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.features.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/features/org.eclipse.bpmn2.modeler.runtime.jboss/feature.xml b/features/org.eclipse.bpmn2.modeler.runtime.jboss/feature.xml
index f5548ee..fb80b57 100644
--- a/features/org.eclipse.bpmn2.modeler.runtime.jboss/feature.xml
+++ b/features/org.eclipse.bpmn2.modeler.runtime.jboss/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.bpmn2.modeler.runtime.jboss"
       label="BPMN2 Modeler - jBPM Runtime Extension Feature"
-      version="1.6.0.qualifier"
+      version="1.5.1.qualifier"
       provider-name="%providerName">
 
    <description url="http://jbpm.jboss.org/">
diff --git a/features/org.eclipse.bpmn2.modeler.runtime.jboss/pom.xml b/features/org.eclipse.bpmn2.modeler.runtime.jboss/pom.xml
index 6f025de..9483462 100644
--- a/features/org.eclipse.bpmn2.modeler.runtime.jboss/pom.xml
+++ b/features/org.eclipse.bpmn2.modeler.runtime.jboss/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.features</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.features.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/features/org.eclipse.bpmn2.modeler.updatesite/pom.xml b/features/org.eclipse.bpmn2.modeler.updatesite/pom.xml
index b45a6c9..28d840d 100644
--- a/features/org.eclipse.bpmn2.modeler.updatesite/pom.xml
+++ b/features/org.eclipse.bpmn2.modeler.updatesite/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.features</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.features.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/features/org.eclipse.bpmn2.modeler/feature.xml b/features/org.eclipse.bpmn2.modeler/feature.xml
index c5905aa..5e524c7 100644
--- a/features/org.eclipse.bpmn2.modeler/feature.xml
+++ b/features/org.eclipse.bpmn2.modeler/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.bpmn2.modeler"
       label="BPMN2 Modeler - Diagram Editor"
-      version="1.6.0.qualifier"
+      version="1.5.1.qualifier"
       provider-name="%providerName">
 
    <description url="https://www.eclipse.org/bpmn2-modeler/">
diff --git a/features/org.eclipse.bpmn2.modeler/pom.xml b/features/org.eclipse.bpmn2.modeler/pom.xml
index 451e7cb..7732daa 100644
--- a/features/org.eclipse.bpmn2.modeler/pom.xml
+++ b/features/org.eclipse.bpmn2.modeler/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.features</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.features.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/features/pom.xml b/features/pom.xml
index 1e046f1..f5cbad0 100644
--- a/features/pom.xml
+++ b/features/pom.xml
@@ -7,14 +7,14 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../parent/pom.xml</relativePath>
 	</parent>
 
 	<groupId>org.eclipse.bpmn2.modeler.features</groupId>
 	<artifactId>org.eclipse.bpmn2.modeler.features.parent</artifactId>
 	<name>BPMN2 Modeler: Features Parent</name>
-	<version>1.6.0-SNAPSHOT</version>
+	<version>1.5.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<modules>
diff --git a/parent/pom.xml b/parent/pom.xml
index 82922ab..fabc222 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -8,7 +8,7 @@
 
 	<groupId>org.eclipse.bpmn2.modeler</groupId>
 	<artifactId>org.eclipse.bpmn2.modeler.parent</artifactId>
-	<version>1.6.0-SNAPSHOT</version>
+	<version>1.5.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<name>BPMN2 Modeler Parent</name>
diff --git a/plugins/org.eclipse.bpmn2.modeler.core/META-INF/MANIFEST.MF b/plugins/org.eclipse.bpmn2.modeler.core/META-INF/MANIFEST.MF
index 7081e61..dc9d34f 100644
--- a/plugins/org.eclipse.bpmn2.modeler.core/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.bpmn2.modeler.core/META-INF/MANIFEST.MF
@@ -3,14 +3,14 @@
 Bundle-Localization: plugin
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.core;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Bundle-Activator: org.eclipse.bpmn2.modeler.core.Activator
 Bundle-Vendor: %providerName
 Require-Bundle: org.eclipse.emf.transaction,
  org.eclipse.emf.edit.ui,
  org.eclipse.osgi,
- org.eclipse.graphiti;bundle-version="[0.14.0,0.16.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.16.0)",
+ org.eclipse.graphiti;bundle-version="[0.14.0,0.17.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.17.0)",
  org.eclipse.gef,
  org.eclipse.bpmn2.edit,
  org.eclipse.bpmn2.editor,
diff --git a/plugins/org.eclipse.bpmn2.modeler.core/pom.xml b/plugins/org.eclipse.bpmn2.modeler.core/pom.xml
index 0b02310..238b037 100644
--- a/plugins/org.eclipse.bpmn2.modeler.core/pom.xml
+++ b/plugins/org.eclipse.bpmn2.modeler.core/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.plugins</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.plugins.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/plugins/org.eclipse.bpmn2.modeler.help/META-INF/MANIFEST.MF b/plugins/org.eclipse.bpmn2.modeler.help/META-INF/MANIFEST.MF
index c8eb60d..0eae8a2 100644
--- a/plugins/org.eclipse.bpmn2.modeler.help/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.bpmn2.modeler.help/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@
 Bundle-Localization: plugin
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.help;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Bundle-Activator: org.eclipse.bpmn2.modeler.help.Activator
 Bundle-Vendor: %providerName
 Require-Bundle: org.eclipse.ui,
diff --git a/plugins/org.eclipse.bpmn2.modeler.help/pom.xml b/plugins/org.eclipse.bpmn2.modeler.help/pom.xml
index aef8c33..df28f16 100644
--- a/plugins/org.eclipse.bpmn2.modeler.help/pom.xml
+++ b/plugins/org.eclipse.bpmn2.modeler.help/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.eclipse.bpmn2.modeler.plugins</groupId>
     <artifactId>org.eclipse.bpmn2.modeler.plugins.parent</artifactId>
-    <version>1.6.0-SNAPSHOT</version>
+    <version>1.5.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/plugins/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm/META-INF/MANIFEST.MF b/plugins/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm/META-INF/MANIFEST.MF
index 5eec3f9..d95ca30 100644
--- a/plugins/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm/META-INF/MANIFEST.MF
@@ -2,13 +2,13 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.runtime.jboss.jbpm;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Bundle-Activator: org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.Activator
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.ui.ide,
- org.eclipse.graphiti;bundle-version="[0.14.0,0.16.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.16.0)",
+ org.eclipse.graphiti;bundle-version="[0.14.0,0.17.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.17.0)",
  org.eclipse.bpmn2.modeler.core,
  org.eclipse.emf.transaction,
  org.eclipse.ui.views.properties.tabbed,
diff --git a/plugins/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm/pom.xml b/plugins/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm/pom.xml
index 09e4d84..ac66d77 100644
--- a/plugins/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm/pom.xml
+++ b/plugins/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.eclipse.bpmn2.modeler.plugins</groupId>
     <artifactId>org.eclipse.bpmn2.modeler.plugins.parent</artifactId>
-    <version>1.6.0-SNAPSHOT</version>
+    <version>1.5.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/plugins/org.eclipse.bpmn2.modeler.ui/META-INF/MANIFEST.MF b/plugins/org.eclipse.bpmn2.modeler.ui/META-INF/MANIFEST.MF
index 686d6af..697b9ce 100644
--- a/plugins/org.eclipse.bpmn2.modeler.ui/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.bpmn2.modeler.ui/META-INF/MANIFEST.MF
@@ -2,14 +2,14 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.ui;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Bundle-Activator: org.eclipse.bpmn2.modeler.ui.Activator
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.ui.ide,
  org.eclipse.osgi,
- org.eclipse.graphiti;bundle-version="[0.14.0,0.16.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.16.0)",
+ org.eclipse.graphiti;bundle-version="[0.14.0,0.17.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.14.0,0.17.0)",
  org.eclipse.bpmn2.modeler.core,
  org.eclipse.emf.transaction,
  org.eclipse.ui.views.properties.tabbed,
diff --git a/plugins/org.eclipse.bpmn2.modeler.ui/pom.xml b/plugins/org.eclipse.bpmn2.modeler.ui/pom.xml
index b63dbeb..6952d26 100644
--- a/plugins/org.eclipse.bpmn2.modeler.ui/pom.xml
+++ b/plugins/org.eclipse.bpmn2.modeler.ui/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.plugins</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.plugins.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/plugins/pom.xml b/plugins/pom.xml
index b07d3d3..a704c30 100644
--- a/plugins/pom.xml
+++ b/plugins/pom.xml
@@ -7,14 +7,14 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler</groupId>
 		<artifactId>org.eclipse.bpmn2.modeler.parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 		<relativePath>../parent/pom.xml</relativePath>
 	</parent>
 
 	<groupId>org.eclipse.bpmn2.modeler.plugins</groupId>
 	<artifactId>org.eclipse.bpmn2.modeler.plugins.parent</artifactId>
 	<name>BPMN2 Modeler: Plugins Parent</name>
-	<version>1.6.0-SNAPSHOT</version>
+	<version>1.5.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<modules>
diff --git a/pom.xml b/pom.xml
index f5e86d9..bc70e8a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<groupId>org.eclipse</groupId>
 	<artifactId>org-eclipse-bpmn2-modeler</artifactId>
 	<name>BPMN2 Modeler</name>
-	<version>1.6.0-SNAPSHOT</version>
+	<version>1.5.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<modules>
 		<!-- must build parent BEFORE building the rest of this project 
diff --git a/tests/org.eclipse.bpmn2.modeler.core.tests/META-INF/MANIFEST.MF b/tests/org.eclipse.bpmn2.modeler.core.tests/META-INF/MANIFEST.MF
index df07748..01cc878 100644
--- a/tests/org.eclipse.bpmn2.modeler.core.tests/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.bpmn2.modeler.core.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.core.tests;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Require-Bundle: org.eclipse.bpmn2.edit,
  org.eclipse.bpmn2.editor,
  org.eclipse.bpmn2.modeler.core,
diff --git a/tests/org.eclipse.bpmn2.modeler.core.tests/pom.xml b/tests/org.eclipse.bpmn2.modeler.core.tests/pom.xml
index d508bf1..126a14f 100644
--- a/tests/org.eclipse.bpmn2.modeler.core.tests/pom.xml
+++ b/tests/org.eclipse.bpmn2.modeler.core.tests/pom.xml
@@ -3,7 +3,7 @@
         <parent>
 		<groupId>org.eclipse.bpmn2.modeler.tests</groupId>
         	<artifactId>tests-parent</artifactId>
-	        <version>1.6.0-SNAPSHOT</version>
+	        <version>1.5.1-SNAPSHOT</version>
         </parent>
 
         <artifactId>org.eclipse.bpmn2.modeler.core.tests</artifactId>
diff --git a/tests/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests/META-INF/MANIFEST.MF b/tests/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests/META-INF/MANIFEST.MF
index 0b5421c..80c4774 100644
--- a/tests/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests;singleton:=true
-Bundle-Version: 1.6.0.qualifier
+Bundle-Version: 1.5.1.qualifier
 Bundle-Vendor: %providerName
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Require-Bundle: org.junit,
diff --git a/tests/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests/pom.xml b/tests/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests/pom.xml
index e8ec6c1..86b40fe 100644
--- a/tests/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests/pom.xml
+++ b/tests/org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler.tests</groupId>
 		<artifactId>tests-parent</artifactId>
-		<version>1.6.0-SNAPSHOT</version>
+		<version>1.5.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.bpmn2.modeler.runtime.jboss.jbpm5.tests</artifactId>
diff --git a/tests/pom.xml b/tests/pom.xml
index d300dba..cfdd580 100644
--- a/tests/pom.xml
+++ b/tests/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>org.eclipse.bpmn2.modeler</groupId>
         <artifactId>org.eclipse.bpmn2.modeler.parent</artifactId>
-        <version>1.6.0-SNAPSHOT</version>
+        <version>1.5.1-SNAPSHOT</version>
         <relativePath>../parent/pom.xml</relativePath>
 	</parent>