diff --git a/core/pom.xml b/core/pom.xml
index 78ed704..781781e 100644
--- a/core/pom.xml
+++ b/core/pom.xml
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     <parent>
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         <groupId>org.eclipse.gemini.blueprint</groupId>
-        <version>2.1.0.RELEASE</version>
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         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/extender/pom.xml b/extender/pom.xml
index 9392b86..d54653e 100644
--- a/extender/pom.xml
+++ b/extender/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <relativePath>../pom.xml</relativePath>
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diff --git a/extensions/pom.xml b/extensions/pom.xml
index 8e34c10..185284c 100644
--- a/extensions/pom.xml
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         <relativePath>../pom.xml</relativePath>
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diff --git a/integration-tests/bundles/blueprint/config.bundle/pom.xml b/integration-tests/bundles/blueprint/config.bundle/pom.xml
index e09f6d6..073ab69 100644
--- a/integration-tests/bundles/blueprint/config.bundle/pom.xml
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         <relativePath>../pom.xml</relativePath>
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diff --git a/integration-tests/bundles/blueprint/error.bundle/pom.xml b/integration-tests/bundles/blueprint/error.bundle/pom.xml
index 37e68aa..2211091 100644
--- a/integration-tests/bundles/blueprint/error.bundle/pom.xml
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diff --git a/integration-tests/bundles/blueprint/pom.xml b/integration-tests/bundles/blueprint/pom.xml
index 2affbe8..157ef07 100644
--- a/integration-tests/bundles/blueprint/pom.xml
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diff --git a/integration-tests/bundles/blueprint/simple.bundle/pom.xml b/integration-tests/bundles/blueprint/simple.bundle/pom.xml
index e97c18e..4ef0d3a 100644
--- a/integration-tests/bundles/blueprint/simple.bundle/pom.xml
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diff --git a/integration-tests/bundles/blueprint/waiting.bundle/pom.xml b/integration-tests/bundles/blueprint/waiting.bundle/pom.xml
index 34744cb..2d00f6e 100644
--- a/integration-tests/bundles/blueprint/waiting.bundle/pom.xml
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diff --git a/integration-tests/bundles/cardinality.0to1.bundle/pom.xml b/integration-tests/bundles/cardinality.0to1.bundle/pom.xml
index 12c34ea..e51bf8d 100644
--- a/integration-tests/bundles/cardinality.0to1.bundle/pom.xml
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diff --git a/integration-tests/bundles/config.bundle/async.nowait.bundle/pom.xml b/integration-tests/bundles/config.bundle/async.nowait.bundle/pom.xml
index ff74277..a9f8b0f 100644
--- a/integration-tests/bundles/config.bundle/async.nowait.bundle/pom.xml
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diff --git a/integration-tests/bundles/config.bundle/async.wait.bundle/pom.xml b/integration-tests/bundles/config.bundle/async.wait.bundle/pom.xml
index 6e63257..b74774b 100644
--- a/integration-tests/bundles/config.bundle/async.wait.bundle/pom.xml
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diff --git a/integration-tests/bundles/config.bundle/no.publish.bundle/pom.xml b/integration-tests/bundles/config.bundle/no.publish.bundle/pom.xml
index 6704bd6..9661968 100644
--- a/integration-tests/bundles/config.bundle/no.publish.bundle/pom.xml
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diff --git a/integration-tests/bundles/config.bundle/pom.xml b/integration-tests/bundles/config.bundle/pom.xml
index 6a0fef9..325aef1 100644
--- a/integration-tests/bundles/config.bundle/pom.xml
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diff --git a/integration-tests/bundles/config.bundle/sync.nowait.bundle/pom.xml b/integration-tests/bundles/config.bundle/sync.nowait.bundle/pom.xml
index 93ec66a..0e6614b 100644
--- a/integration-tests/bundles/config.bundle/sync.nowait.bundle/pom.xml
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diff --git a/integration-tests/bundles/config.bundle/sync.tail.bundle/pom.xml b/integration-tests/bundles/config.bundle/sync.tail.bundle/pom.xml
index 6e72a8e..8f32fab 100644
--- a/integration-tests/bundles/config.bundle/sync.tail.bundle/pom.xml
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diff --git a/integration-tests/bundles/config.bundle/sync.wait.bundle/pom.xml b/integration-tests/bundles/config.bundle/sync.wait.bundle/pom.xml
index 2738d1b..cb62c70 100644
--- a/integration-tests/bundles/config.bundle/sync.wait.bundle/pom.xml
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diff --git a/integration-tests/bundles/config.file.with.dots.bundle/pom.xml b/integration-tests/bundles/config.file.with.dots.bundle/pom.xml
index 085a2ce..2318a82 100644
--- a/integration-tests/bundles/config.file.with.dots.bundle/pom.xml
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diff --git a/integration-tests/bundles/configuration.test.bundle/pom.xml b/integration-tests/bundles/configuration.test.bundle/pom.xml
index d60f0ed..ea92aa9 100644
--- a/integration-tests/bundles/configuration.test.bundle/pom.xml
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diff --git a/integration-tests/bundles/deadlock.bundle/pom.xml b/integration-tests/bundles/deadlock.bundle/pom.xml
index 5e73618..82dcdfa 100644
--- a/integration-tests/bundles/deadlock.bundle/pom.xml
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diff --git a/integration-tests/bundles/dependency.factory.bundle/pom.xml b/integration-tests/bundles/dependency.factory.bundle/pom.xml
index 04cb93d..36d1cb4 100644
--- a/integration-tests/bundles/dependency.factory.bundle/pom.xml
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diff --git a/integration-tests/bundles/dependency.test.bundle/pom.xml b/integration-tests/bundles/dependency.test.bundle/pom.xml
index 2e88eb2..e2a540b 100644
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diff --git a/integration-tests/bundles/error.bundle/pom.xml b/integration-tests/bundles/error.bundle/pom.xml
index 2f8668f..abf89b5 100644
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diff --git a/integration-tests/bundles/export.import.dependency.bundle/pom.xml b/integration-tests/bundles/export.import.dependency.bundle/pom.xml
index 24992e3..4aa5641 100644
--- a/integration-tests/bundles/export.import.dependency.bundle/pom.xml
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diff --git a/integration-tests/bundles/extender.fragment.bundle/pom.xml b/integration-tests/bundles/extender.fragment.bundle/pom.xml
index 533ee38..bc2e202 100644
--- a/integration-tests/bundles/extender.fragment.bundle/pom.xml
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diff --git a/integration-tests/bundles/extender.listener.bundle/pom.xml b/integration-tests/bundles/extender.listener.bundle/pom.xml
index 788504c..543a4d8 100644
--- a/integration-tests/bundles/extender.listener.bundle/pom.xml
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diff --git a/integration-tests/bundles/extender.version.bundle/pom.xml b/integration-tests/bundles/extender.version.bundle/pom.xml
index 1319acf..38503fd 100644
--- a/integration-tests/bundles/extender.version.bundle/pom.xml
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diff --git a/integration-tests/bundles/io.fragment.1.bundle/pom.xml b/integration-tests/bundles/io.fragment.1.bundle/pom.xml
index 807f586..21daacc 100644
--- a/integration-tests/bundles/io.fragment.1.bundle/pom.xml
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diff --git a/integration-tests/bundles/io.fragment.2.bundle/pom.xml b/integration-tests/bundles/io.fragment.2.bundle/pom.xml
index fc4dc0c..7197f08 100644
--- a/integration-tests/bundles/io.fragment.2.bundle/pom.xml
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diff --git a/integration-tests/bundles/jdk.proxy.bundle/pom.xml b/integration-tests/bundles/jdk.proxy.bundle/pom.xml
index 6b4196a..2811684 100644
--- a/integration-tests/bundles/jdk.proxy.bundle/pom.xml
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diff --git a/integration-tests/bundles/jdk5/component.scan.bundle/pom.xml b/integration-tests/bundles/jdk5/component.scan.bundle/pom.xml
index 064e7bb..738922f 100644
--- a/integration-tests/bundles/jdk5/component.scan.bundle/pom.xml
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diff --git a/integration-tests/bundles/jdk5/pom.xml b/integration-tests/bundles/jdk5/pom.xml
index 37a83ca..1e11f2b 100644
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diff --git a/integration-tests/bundles/lifecycle.test.bundle/pom.xml b/integration-tests/bundles/lifecycle.test.bundle/pom.xml
index 9f3c210..38a442f 100644
--- a/integration-tests/bundles/lifecycle.test.bundle/pom.xml
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diff --git a/integration-tests/bundles/namespace.own.consumer.bundle/pom.xml b/integration-tests/bundles/namespace.own.consumer.bundle/pom.xml
index 8bcdae2..c5530ef 100644
--- a/integration-tests/bundles/namespace.own.consumer.bundle/pom.xml
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diff --git a/integration-tests/bundles/pom.xml b/integration-tests/bundles/pom.xml
index 08f9cdc..421cb78 100644
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diff --git a/integration-tests/bundles/proxy.creator.bundle/pom.xml b/integration-tests/bundles/proxy.creator.bundle/pom.xml
index d28d6b7..a0047b4 100644
--- a/integration-tests/bundles/proxy.creator.bundle/pom.xml
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diff --git a/integration-tests/bundles/proxy.destruction.test.bundle/pom.xml b/integration-tests/bundles/proxy.destruction.test.bundle/pom.xml
index 37333c8..9d0d467 100644
--- a/integration-tests/bundles/proxy.destruction.test.bundle/pom.xml
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diff --git a/integration-tests/bundles/proxy.listener/pom.xml b/integration-tests/bundles/proxy.listener/pom.xml
index ba8b5dd..d47b9a7 100644
--- a/integration-tests/bundles/proxy.listener/pom.xml
+++ b/integration-tests/bundles/proxy.listener/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/recursive.type.bundle/pom.xml b/integration-tests/bundles/recursive.type.bundle/pom.xml
index 4dda412..c4db735 100644
--- a/integration-tests/bundles/recursive.type.bundle/pom.xml
+++ b/integration-tests/bundles/recursive.type.bundle/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.eclipse.gemini.blueprint.iandt</groupId>
 		<artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-		<version>2.1.0.RELEASE</version>
+		<version>2.2.0.M1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/integration-tests/bundles/reference.test.bundle/pom.xml b/integration-tests/bundles/reference.test.bundle/pom.xml
index da6c351..8cb1aee 100644
--- a/integration-tests/bundles/reference.test.bundle/pom.xml
+++ b/integration-tests/bundles/reference.test.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/scoped.a.bundle/pom.xml b/integration-tests/bundles/scoped.a.bundle/pom.xml
index a1b46e8..7ec1e72 100644
--- a/integration-tests/bundles/scoped.a.bundle/pom.xml
+++ b/integration-tests/bundles/scoped.a.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/scoped.b.bundle/pom.xml b/integration-tests/bundles/scoped.b.bundle/pom.xml
index 2c98db1..037c75f 100644
--- a/integration-tests/bundles/scoped.b.bundle/pom.xml
+++ b/integration-tests/bundles/scoped.b.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/scoped.common.bundle/pom.xml b/integration-tests/bundles/scoped.common.bundle/pom.xml
index 23e6cb5..a719924 100644
--- a/integration-tests/bundles/scoped.common.bundle/pom.xml
+++ b/integration-tests/bundles/scoped.common.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/service.listener.bundle/pom.xml b/integration-tests/bundles/service.listener.bundle/pom.xml
index fb1563f..e75c92c 100644
--- a/integration-tests/bundles/service.listener.bundle/pom.xml
+++ b/integration-tests/bundles/service.listener.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/simple.service.2.bundle/pom.xml b/integration-tests/bundles/simple.service.2.bundle/pom.xml
index febac92..203df9b 100644
--- a/integration-tests/bundles/simple.service.2.bundle/pom.xml
+++ b/integration-tests/bundles/simple.service.2.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/simple.service.3.bundle/pom.xml b/integration-tests/bundles/simple.service.3.bundle/pom.xml
index 024aab4..1d8d1b5 100644
--- a/integration-tests/bundles/simple.service.3.bundle/pom.xml
+++ b/integration-tests/bundles/simple.service.3.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/simple.service.bundle.2.identical/pom.xml b/integration-tests/bundles/simple.service.bundle.2.identical/pom.xml
index 7f4044a..50d8544 100644
--- a/integration-tests/bundles/simple.service.bundle.2.identical/pom.xml
+++ b/integration-tests/bundles/simple.service.bundle.2.identical/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/simple.service.bundle.identical/pom.xml b/integration-tests/bundles/simple.service.bundle.identical/pom.xml
index b93b51f..b4c1364 100644
--- a/integration-tests/bundles/simple.service.bundle.identical/pom.xml
+++ b/integration-tests/bundles/simple.service.bundle.identical/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/simple.service.bundle/pom.xml b/integration-tests/bundles/simple.service.bundle/pom.xml
index b20833c..6dd7705 100644
--- a/integration-tests/bundles/simple.service.bundle/pom.xml
+++ b/integration-tests/bundles/simple.service.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/tccl.bundle/pom.xml b/integration-tests/bundles/tccl.bundle/pom.xml
index 6fd4b33..efcbe16 100644
--- a/integration-tests/bundles/tccl.bundle/pom.xml
+++ b/integration-tests/bundles/tccl.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/tccl.intf.bundle/pom.xml b/integration-tests/bundles/tccl.intf.bundle/pom.xml
index 5aa2512..1923d86 100644
--- a/integration-tests/bundles/tccl.intf.bundle/pom.xml
+++ b/integration-tests/bundles/tccl.intf.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/trivial.bundle/pom.xml b/integration-tests/bundles/trivial.bundle/pom.xml
index 7455d75..c17b1a7 100644
--- a/integration-tests/bundles/trivial.bundle/pom.xml
+++ b/integration-tests/bundles/trivial.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/bundles/trivial.test.bundle/pom.xml b/integration-tests/bundles/trivial.test.bundle/pom.xml
index b79261d..aa22a86 100644
--- a/integration-tests/bundles/trivial.test.bundle/pom.xml
+++ b/integration-tests/bundles/trivial.test.bundle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-test-bundles</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index 985a855..ff5e43d 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint</groupId>
         <artifactId>gemini-blueprint</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/integration-tests/tests/pom.xml b/integration-tests/tests/pom.xml
index 4ff258e..be7d372 100644
--- a/integration-tests/tests/pom.xml
+++ b/integration-tests/tests/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.eclipse.gemini.blueprint.iandt</groupId>
         <artifactId>gemini-blueprint-integration-tests-parent</artifactId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/io/pom.xml b/io/pom.xml
index 7b489cd..b256f9f 100644
--- a/io/pom.xml
+++ b/io/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>gemini-blueprint</artifactId>
         <groupId>org.eclipse.gemini.blueprint</groupId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/mock/pom.xml b/mock/pom.xml
index 1f29206..b60f55d 100644
--- a/mock/pom.xml
+++ b/mock/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>gemini-blueprint</artifactId>
         <groupId>org.eclipse.gemini.blueprint</groupId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index e3427cf..7b26f12 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <groupId>org.eclipse.gemini.blueprint</groupId>
     <artifactId>gemini-blueprint</artifactId>
     <!-- Note: When updating the version, ensure it is a valid OSGi version -->
-    <version>2.1.0.RELEASE</version>
+    <version>2.2.0.M1-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>Gemini Blueprint</name>
     <url>http://www.eclipse.org/gemini/blueprint/</url>
@@ -101,7 +101,7 @@
         <connection>scm:git:git//git.eclipse.org/gitroot/gemini.blueprint/org.eclipse.gemini.blueprint.git</connection>
         <!-- hudson-based releases require this SCM url to point to the local FS, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=512974 -->
         <developerConnection>scm:git:file:///gitroot/gemini.blueprint/org.eclipse.gemini.blueprint.git</developerConnection>
-        <tag>2.1.0.RELEASE</tag>
+        <tag>HEAD</tag>
   </scm>
 
     <developers>
diff --git a/test-support/pom.xml b/test-support/pom.xml
index 3c7dcfc..563d173 100644
--- a/test-support/pom.xml
+++ b/test-support/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>gemini-blueprint</artifactId>
         <groupId>org.eclipse.gemini.blueprint</groupId>
-        <version>2.1.0.RELEASE</version>
+        <version>2.2.0.M1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>