diff --git a/pom.xml b/pom.xml
index 5e398a8..70e1ef2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
 
 	<groupId>org.eclipse.tycho</groupId>
 	<artifactId>tycho</artifactId>
-	<version>0.18.1</version>
+	<version>0.18.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<name>Tycho (Incubation)</name>
diff --git a/sisu-equinox/pom.xml b/sisu-equinox/pom.xml
index 39e35f7..802be75 100644
--- a/sisu-equinox/pom.xml
+++ b/sisu-equinox/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>sisu-equinox</artifactId>
diff --git a/sisu-equinox/sisu-equinox-api/pom.xml b/sisu-equinox/sisu-equinox-api/pom.xml
index b8e9dca..d90c26e 100644
--- a/sisu-equinox/sisu-equinox-api/pom.xml
+++ b/sisu-equinox/sisu-equinox-api/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>sisu-equinox</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>sisu-equinox-api</artifactId>
 
diff --git a/sisu-equinox/sisu-equinox-embedder/pom.xml b/sisu-equinox/sisu-equinox-embedder/pom.xml
index 258a12f..d724956 100644
--- a/sisu-equinox/sisu-equinox-embedder/pom.xml
+++ b/sisu-equinox/sisu-equinox-embedder/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>sisu-equinox</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>sisu-equinox-embedder</artifactId>
 
diff --git a/sisu-equinox/sisu-equinox-launching/pom.xml b/sisu-equinox/sisu-equinox-launching/pom.xml
index 2d45fa5..e7a63d3 100644
--- a/sisu-equinox/sisu-equinox-launching/pom.xml
+++ b/sisu-equinox/sisu-equinox-launching/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>sisu-equinox</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>sisu-equinox-launching</artifactId>
 
diff --git a/target-platform-configuration/pom.xml b/target-platform-configuration/pom.xml
index 5567d8a..1d0f4f9 100644
--- a/target-platform-configuration/pom.xml
+++ b/target-platform-configuration/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<artifactId>tycho</artifactId>
 		<groupId>org.eclipse.tycho</groupId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>target-platform-configuration</artifactId>
diff --git a/tycho-artifactcomparator/pom.xml b/tycho-artifactcomparator/pom.xml
index d558b16..c50767f 100644
--- a/tycho-artifactcomparator/pom.xml
+++ b/tycho-artifactcomparator/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.eclipse.tycho</groupId>
     <artifactId>tycho</artifactId>
-    <version>0.18.1</version>
+    <version>0.18.1-SNAPSHOT</version>
   </parent>
   <artifactId>tycho-artifactcomparator</artifactId>
 
diff --git a/tycho-bundles/org.eclipse.tycho.core.shared.tests/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.core.shared.tests/META-INF/MANIFEST.MF
index 6ec1cab..bf780d0 100644
--- a/tycho-bundles/org.eclipse.tycho.core.shared.tests/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.core.shared.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho Core Maven/OSGi Shared Classes Tests (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.core.shared.tests
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Fragment-Host: org.eclipse.tycho.core.shared
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Require-Bundle: org.junit;bundle-version="4.8.2"
diff --git a/tycho-bundles/org.eclipse.tycho.core.shared.tests/pom.xml b/tycho-bundles/org.eclipse.tycho.core.shared.tests/pom.xml
index 3f92229..09353a8 100644
--- a/tycho-bundles/org.eclipse.tycho.core.shared.tests/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.core.shared.tests/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.core.shared.tests</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.core.shared/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.core.shared/META-INF/MANIFEST.MF
index d9a108e..6cfb5e9 100644
--- a/tycho-bundles/org.eclipse.tycho.core.shared/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.core.shared/META-INF/MANIFEST.MF
@@ -1,7 +1,7 @@
 Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-SymbolicName: org.eclipse.tycho.core.shared
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-Name: Tycho Core Maven/OSGi Shared Classes (Incubation)
 Bundle-Vendor: %providerName
 Export-Package: org.eclipse.tycho.artifacts,
diff --git a/tycho-bundles/org.eclipse.tycho.core.shared/pom.xml b/tycho-bundles/org.eclipse.tycho.core.shared/pom.xml
index 8c98c17..55315fe 100644
--- a/tycho-bundles/org.eclipse.tycho.core.shared/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.core.shared/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.core.shared</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.embedder.shared/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.embedder.shared/META-INF/MANIFEST.MF
index f5a86df..616c3e4 100644
--- a/tycho-bundles/org.eclipse.tycho.embedder.shared/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.embedder.shared/META-INF/MANIFEST.MF
@@ -1,7 +1,7 @@
 Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-SymbolicName: org.eclipse.tycho.embedder.shared
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-Name: Tycho Embedder API Maven/OSGi Shared Classes (Incubation)
 Bundle-Vendor: %providerName
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
diff --git a/tycho-bundles/org.eclipse.tycho.embedder.shared/pom.xml b/tycho-bundles/org.eclipse.tycho.embedder.shared/pom.xml
index aaf7cb2..1e7334b 100644
--- a/tycho-bundles/org.eclipse.tycho.embedder.shared/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.embedder.shared/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.embedder.shared</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.noopsecurity/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.noopsecurity/META-INF/MANIFEST.MF
index d34f9c6..e14f523 100644
--- a/tycho-bundles/org.eclipse.tycho.noopsecurity/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.noopsecurity/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho Noop Equinox password provider (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.noopsecurity;singleton:=true
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Require-Bundle: org.eclipse.equinox.security;bundle-version="1.0.100"
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Bundle-ActivationPolicy: lazy
diff --git a/tycho-bundles/org.eclipse.tycho.noopsecurity/pom.xml b/tycho-bundles/org.eclipse.tycho.noopsecurity/pom.xml
index ea0df05..4694559 100644
--- a/tycho-bundles/org.eclipse.tycho.noopsecurity/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.noopsecurity/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.noopsecurity</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.p2.maven.repository.tests/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.p2.maven.repository.tests/META-INF/MANIFEST.MF
index 301d15e..2d00aa6 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.maven.repository.tests/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.p2.maven.repository.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho Maven/p2 Repository Integration Tests (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.p2.maven.repository.tests;singleton:=true
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-Vendor: %providerName
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Fragment-Host: org.eclipse.tycho.p2.maven.repository
diff --git a/tycho-bundles/org.eclipse.tycho.p2.maven.repository.tests/pom.xml b/tycho-bundles/org.eclipse.tycho.p2.maven.repository.tests/pom.xml
index 510a260..7055725 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.maven.repository.tests/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.p2.maven.repository.tests/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.p2.maven.repository.tests</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.p2.maven.repository/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.p2.maven.repository/META-INF/MANIFEST.MF
index 6af3c5c..725fab4 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.maven.repository/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.p2.maven.repository/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho Maven/p2 Repository Integration (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.p2.maven.repository;singleton:=true
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-Vendor: %providerName
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Bundle-ActivationPolicy: lazy
diff --git a/tycho-bundles/org.eclipse.tycho.p2.maven.repository/pom.xml b/tycho-bundles/org.eclipse.tycho.p2.maven.repository/pom.xml
index 375cf47..e819432 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.maven.repository/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.p2.maven.repository/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.p2.maven.repository</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl.test/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl.test/META-INF/MANIFEST.MF
index a05e7b4..6663cf7 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl.test/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl.test/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho p2 Resolver Bundle Tests (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.p2.resolver.impl.test;singleton:=true
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Fragment-Host: org.eclipse.tycho.p2.resolver.impl
 Require-Bundle: org.junit,
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl.test/pom.xml b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl.test/pom.xml
index f8dc2df..2d7d2a0 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl.test/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl.test/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.p2.resolver.impl.test</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/META-INF/MANIFEST.MF
index 5a5ab4d..e01367a 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho p2 Resolver Bundle (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.p2.resolver.impl;singleton:=true
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-Activator: org.eclipse.tycho.p2.impl.Activator
 Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.equinox.security;bundle-version="1.0.100",
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/pom.xml b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/pom.xml
index 33ad7b6..5895cf3 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.p2.resolver.impl</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/META-INF/MANIFEST.MF
index 753c3ab..17e41db 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/META-INF/MANIFEST.MF
@@ -5,7 +5,7 @@ Export-Package:
  org.eclipse.tycho.p2.resolver.facade,
  org.eclipse.tycho.p2.target.facade,
  org.eclipse.tycho.repository.registry.facade
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-Name: Tycho p2 Resolver Maven/OSGi Shared Classes (Incubation)
 Bundle-ManifestVersion: 2
 Bundle-Description: Tycho integrates Maven with Eclipse and OSGi
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/pom.xml b/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/pom.xml
index 3f620d1..826b998 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.p2.resolver.shared</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.p2.tools.impl/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.p2.tools.impl/META-INF/MANIFEST.MF
index 77f1871..d4fb6c4 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.tools.impl/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.p2.tools.impl/META-INF/MANIFEST.MF
@@ -1,5 +1,5 @@
 Manifest-Version: 1.0
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-Name: Tycho p2 Tools Bundle (Incubation)
 Bundle-ManifestVersion: 2
 Bundle-Description: Implementation of tools for generating, copying, and using p2 repositories in Tycho
diff --git a/tycho-bundles/org.eclipse.tycho.p2.tools.impl/pom.xml b/tycho-bundles/org.eclipse.tycho.p2.tools.impl/pom.xml
index 6f838c6..3eada31 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.tools.impl/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.p2.tools.impl/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.p2.tools.impl</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.p2.tools.shared/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.p2.tools.shared/META-INF/MANIFEST.MF
index 4d1783d..e263b13 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.tools.shared/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.p2.tools.shared/META-INF/MANIFEST.MF
@@ -1,5 +1,5 @@
 Manifest-Version: 1.0
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-Name: Tycho p2 Tools Maven/OSGi Shared Classes (Incubation)
 Bundle-ManifestVersion: 2
 Bundle-Description: Exposes tools for manipulating p2 data, which are implemented in OSGi bundles, to Maven plug-ins
diff --git a/tycho-bundles/org.eclipse.tycho.p2.tools.shared/pom.xml b/tycho-bundles/org.eclipse.tycho.p2.tools.shared/pom.xml
index ff53cbe..76e7a1e 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.tools.shared/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.p2.tools.shared/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.p2.tools.shared</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.p2.tools.tests/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.p2.tools.tests/META-INF/MANIFEST.MF
index 9759e80..3f31d95 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.tools.tests/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.p2.tools.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho p2 Tools Tests (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.p2.tools.tests
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Fragment-Host: org.eclipse.tycho.p2.tools.impl
 Require-Bundle: org.junit;bundle-version="[4.8.1,5.0.0)",
diff --git a/tycho-bundles/org.eclipse.tycho.p2.tools.tests/pom.xml b/tycho-bundles/org.eclipse.tycho.p2.tools.tests/pom.xml
index 70640be..0df8869 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.tools.tests/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.p2.tools.tests/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.p2.tools.tests</artifactId>
diff --git a/tycho-bundles/org.eclipse.tycho.test.utils/META-INF/MANIFEST.MF b/tycho-bundles/org.eclipse.tycho.test.utils/META-INF/MANIFEST.MF
index e279514..b8bcf31 100644
--- a/tycho-bundles/org.eclipse.tycho.test.utils/META-INF/MANIFEST.MF
+++ b/tycho-bundles/org.eclipse.tycho.test.utils/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho Test Utilities (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.test.utils
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Require-Bundle: org.junit;bundle-version="[4.8.1,5.0.0)",
  org.eclipse.equinox.p2.core;bundle-version="1.0.100",
diff --git a/tycho-bundles/org.eclipse.tycho.test.utils/pom.xml b/tycho-bundles/org.eclipse.tycho.test.utils/pom.xml
index dc83a8d..9b85af1 100644
--- a/tycho-bundles/org.eclipse.tycho.test.utils/pom.xml
+++ b/tycho-bundles/org.eclipse.tycho.test.utils/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.test.utils</artifactId>
diff --git a/tycho-bundles/pom.xml b/tycho-bundles/pom.xml
index 4388547..3f99eeb 100644
--- a/tycho-bundles/pom.xml
+++ b/tycho-bundles/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-bundles</artifactId>
diff --git a/tycho-bundles/tycho-bundles-external/pom.xml b/tycho-bundles/tycho-bundles-external/pom.xml
index 352c6df..0285546 100644
--- a/tycho-bundles/tycho-bundles-external/pom.xml
+++ b/tycho-bundles/tycho-bundles-external/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-bundles-external</artifactId>
diff --git a/tycho-bundles/tycho-bundles-external/tycho-bundles-external.product b/tycho-bundles/tycho-bundles-external/tycho-bundles-external.product
index 27f16f5..5067df5 100644
--- a/tycho-bundles/tycho-bundles-external/tycho-bundles-external.product
+++ b/tycho-bundles/tycho-bundles-external/tycho-bundles-external.product
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?pde version="3.5"?>
 
-<product name="org.eclipse.tycho.p2" uid="tycho-bundles-external" id="org.eclipse.equinox.p2.director.app.product" application="org.eclipse.equinox.p2.director.app.application" version="0.18.1" useFeatures="false" includeLaunchers="false">
+<product name="org.eclipse.tycho.p2" uid="tycho-bundles-external" id="org.eclipse.equinox.p2.director.app.product" application="org.eclipse.equinox.p2.director.app.application" version="0.18.1.qualifier" useFeatures="false" includeLaunchers="false">
 
    <configIni use="default">
    </configIni>
diff --git a/tycho-bundles/tycho-bundles-target/pom.xml b/tycho-bundles/tycho-bundles-target/pom.xml
index e6f280e..25e24b7 100644
--- a/tycho-bundles/tycho-bundles-target/pom.xml
+++ b/tycho-bundles/tycho-bundles-target/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/tycho-bundles/tycho-standalone-p2-director/pom.xml b/tycho-bundles/tycho-standalone-p2-director/pom.xml
index f45060f..c9aa688 100644
--- a/tycho-bundles/tycho-standalone-p2-director/pom.xml
+++ b/tycho-bundles/tycho-standalone-p2-director/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-bundles</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-standalone-p2-director</artifactId>
diff --git a/tycho-compiler-jdt/pom.xml b/tycho-compiler-jdt/pom.xml
index a71bd8b..94a564f 100644
--- a/tycho-compiler-jdt/pom.xml
+++ b/tycho-compiler-jdt/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>tycho-compiler-jdt</artifactId>
 
diff --git a/tycho-compiler-plugin/pom.xml b/tycho-compiler-plugin/pom.xml
index 9fd0873..c9d3617 100644
--- a/tycho-compiler-plugin/pom.xml
+++ b/tycho-compiler-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-compiler-plugin</artifactId>
diff --git a/tycho-core/pom.xml b/tycho-core/pom.xml
index 53cdc7a..4fb5fc3 100644
--- a/tycho-core/pom.xml
+++ b/tycho-core/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>tycho-core</artifactId>
 
diff --git a/tycho-embedder-api/pom.xml b/tycho-embedder-api/pom.xml
index bcae8f1..0edcb5a 100644
--- a/tycho-embedder-api/pom.xml
+++ b/tycho-embedder-api/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>tycho-embedder-api</artifactId>
 
diff --git a/tycho-its/pom.xml b/tycho-its/pom.xml
index d97a233..8aae134 100644
--- a/tycho-its/pom.xml
+++ b/tycho-its/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>tycho-its</artifactId>
 
diff --git a/tycho-maven-plugin/pom.xml b/tycho-maven-plugin/pom.xml
index 4785513..b82e9af 100644
--- a/tycho-maven-plugin/pom.xml
+++ b/tycho-maven-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-maven-plugin</artifactId>
diff --git a/tycho-metadata-model/pom.xml b/tycho-metadata-model/pom.xml
index 5357113..3258ce1 100644
--- a/tycho-metadata-model/pom.xml
+++ b/tycho-metadata-model/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>tycho-metadata-model</artifactId>
 
diff --git a/tycho-p2/pom.xml b/tycho-p2/pom.xml
index 72e8e5f..52e2ff9 100644
--- a/tycho-p2/pom.xml
+++ b/tycho-p2/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<artifactId>tycho</artifactId>
 		<groupId>org.eclipse.tycho</groupId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-p2</artifactId>
diff --git a/tycho-p2/tycho-p2-director-plugin/pom.xml b/tycho-p2/tycho-p2-director-plugin/pom.xml
index b2665c7..30ac35e 100644
--- a/tycho-p2/tycho-p2-director-plugin/pom.xml
+++ b/tycho-p2/tycho-p2-director-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-p2</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-p2-director-plugin</artifactId>
diff --git a/tycho-p2/tycho-p2-facade/pom.xml b/tycho-p2/tycho-p2-facade/pom.xml
index be0e8b0..c54e205 100644
--- a/tycho-p2/tycho-p2-facade/pom.xml
+++ b/tycho-p2/tycho-p2-facade/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-p2</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>tycho-p2-facade</artifactId>
 
diff --git a/tycho-p2/tycho-p2-plugin/pom.xml b/tycho-p2/tycho-p2-plugin/pom.xml
index ee20d4f..e7f8f5c 100644
--- a/tycho-p2/tycho-p2-plugin/pom.xml
+++ b/tycho-p2/tycho-p2-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-p2</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-p2-plugin</artifactId>
diff --git a/tycho-p2/tycho-p2-publisher-plugin/pom.xml b/tycho-p2/tycho-p2-publisher-plugin/pom.xml
index 7aa0d8b..3fde7b6 100644
--- a/tycho-p2/tycho-p2-publisher-plugin/pom.xml
+++ b/tycho-p2/tycho-p2-publisher-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-p2</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-p2-publisher-plugin</artifactId>
diff --git a/tycho-p2/tycho-p2-repository-plugin/pom.xml b/tycho-p2/tycho-p2-repository-plugin/pom.xml
index 0d1dc41..1cc4a1a 100644
--- a/tycho-p2/tycho-p2-repository-plugin/pom.xml
+++ b/tycho-p2/tycho-p2-repository-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-p2</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-p2-repository-plugin</artifactId>
diff --git a/tycho-packaging-plugin/pom.xml b/tycho-packaging-plugin/pom.xml
index 4a8fad3..570869b 100644
--- a/tycho-packaging-plugin/pom.xml
+++ b/tycho-packaging-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-packaging-plugin</artifactId>
diff --git a/tycho-pomgenerator-plugin/pom.xml b/tycho-pomgenerator-plugin/pom.xml
index 05edf8e..fc8c9fb 100644
--- a/tycho-pomgenerator-plugin/pom.xml
+++ b/tycho-pomgenerator-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-pomgenerator-plugin</artifactId>
diff --git a/tycho-release/pom.xml b/tycho-release/pom.xml
index bd5f4b0..29e59be 100644
--- a/tycho-release/pom.xml
+++ b/tycho-release/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-release</artifactId>
diff --git a/tycho-release/tycho-versions-plugin/pom.xml b/tycho-release/tycho-versions-plugin/pom.xml
index eb2373f..88f5332 100644
--- a/tycho-release/tycho-versions-plugin/pom.xml
+++ b/tycho-release/tycho-versions-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-release</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-versions-plugin</artifactId>
diff --git a/tycho-source-plugin/pom.xml b/tycho-source-plugin/pom.xml
index 6eaf1c5..cbe9455 100644
--- a/tycho-source-plugin/pom.xml
+++ b/tycho-source-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-source-plugin</artifactId>
diff --git a/tycho-surefire/org.eclipse.tycho.surefire.junit/META-INF/MANIFEST.MF b/tycho-surefire/org.eclipse.tycho.surefire.junit/META-INF/MANIFEST.MF
index 93f081b..3bf569e 100644
--- a/tycho-surefire/org.eclipse.tycho.surefire.junit/META-INF/MANIFEST.MF
+++ b/tycho-surefire/org.eclipse.tycho.surefire.junit/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho Surefire OSGi JUnit3 Runner (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.surefire.junit;singleton:=true
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Fragment-Host: org.eclipse.tycho.surefire.osgibooter;bundle-version="0.14.0"
 Bundle-RequiredExecutionEnvironment: J2SE-1.5,
  JavaSE-1.6
diff --git a/tycho-surefire/org.eclipse.tycho.surefire.junit/pom.xml b/tycho-surefire/org.eclipse.tycho.surefire.junit/pom.xml
index a5b6c13..903c159 100644
--- a/tycho-surefire/org.eclipse.tycho.surefire.junit/pom.xml
+++ b/tycho-surefire/org.eclipse.tycho.surefire.junit/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-surefire</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.surefire.junit</artifactId>
diff --git a/tycho-surefire/org.eclipse.tycho.surefire.junit4/META-INF/MANIFEST.MF b/tycho-surefire/org.eclipse.tycho.surefire.junit4/META-INF/MANIFEST.MF
index 60209eb..9933324 100644
--- a/tycho-surefire/org.eclipse.tycho.surefire.junit4/META-INF/MANIFEST.MF
+++ b/tycho-surefire/org.eclipse.tycho.surefire.junit4/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho Surefire OSGi JUnit4 Runner (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.surefire.junit4;singleton:=true
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Fragment-Host: org.eclipse.tycho.surefire.osgibooter;bundle-version="0.14.0"
 Bundle-RequiredExecutionEnvironment: J2SE-1.5,
  JavaSE-1.6
diff --git a/tycho-surefire/org.eclipse.tycho.surefire.junit4/pom.xml b/tycho-surefire/org.eclipse.tycho.surefire.junit4/pom.xml
index 56da2d6..28b40c9 100644
--- a/tycho-surefire/org.eclipse.tycho.surefire.junit4/pom.xml
+++ b/tycho-surefire/org.eclipse.tycho.surefire.junit4/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-surefire</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.surefire.junit4</artifactId>
diff --git a/tycho-surefire/org.eclipse.tycho.surefire.junit47/META-INF/MANIFEST.MF b/tycho-surefire/org.eclipse.tycho.surefire.junit47/META-INF/MANIFEST.MF
index ab16b3d..48942fe 100644
--- a/tycho-surefire/org.eclipse.tycho.surefire.junit47/META-INF/MANIFEST.MF
+++ b/tycho-surefire/org.eclipse.tycho.surefire.junit47/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tycho Surefire OSGi JUnit4.7 Runner (Incubation)
 Bundle-SymbolicName: org.eclipse.tycho.surefire.junit47;singleton:=true
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Fragment-Host: org.eclipse.tycho.surefire.osgibooter;bundle-version="0.16.0"
 Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Bundle-ClassPath: .,
diff --git a/tycho-surefire/org.eclipse.tycho.surefire.junit47/pom.xml b/tycho-surefire/org.eclipse.tycho.surefire.junit47/pom.xml
index 59b326c..f8707c8 100644
--- a/tycho-surefire/org.eclipse.tycho.surefire.junit47/pom.xml
+++ b/tycho-surefire/org.eclipse.tycho.surefire.junit47/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-surefire</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.surefire.junit47</artifactId>
diff --git a/tycho-surefire/org.eclipse.tycho.surefire.osgibooter/META-INF/MANIFEST.MF b/tycho-surefire/org.eclipse.tycho.surefire.osgibooter/META-INF/MANIFEST.MF
index cff505b..cc92129 100644
--- a/tycho-surefire/org.eclipse.tycho.surefire.osgibooter/META-INF/MANIFEST.MF
+++ b/tycho-surefire/org.eclipse.tycho.surefire.osgibooter/META-INF/MANIFEST.MF
@@ -8,7 +8,7 @@ Bundle-ClassPath: .,
  jars/surefire-api-2.15.jar,
  jars/maven-surefire-common-2.15.jar,
  jars/plexus-utils-3.0.jar
-Bundle-Version: 0.18.1
+Bundle-Version: 0.18.1.qualifier
 Bundle-Name: Tycho Surefire OSGi Booter Eclipse Application (Incubation)
 Bundle-ManifestVersion: 2
 Bundle-SymbolicName: org.eclipse.tycho.surefire.osgibooter;singleton:=true
diff --git a/tycho-surefire/org.eclipse.tycho.surefire.osgibooter/pom.xml b/tycho-surefire/org.eclipse.tycho.surefire.osgibooter/pom.xml
index f02540e..471bea9 100644
--- a/tycho-surefire/org.eclipse.tycho.surefire.osgibooter/pom.xml
+++ b/tycho-surefire/org.eclipse.tycho.surefire.osgibooter/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-surefire</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.tycho.surefire.osgibooter</artifactId>
diff --git a/tycho-surefire/pom.xml b/tycho-surefire/pom.xml
index 621a56f..256eaac 100644
--- a/tycho-surefire/pom.xml
+++ b/tycho-surefire/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-surefire</artifactId>
diff --git a/tycho-surefire/tycho-surefire-plugin/pom.xml b/tycho-surefire/tycho-surefire-plugin/pom.xml
index 71c2147..69f1ff3 100644
--- a/tycho-surefire/tycho-surefire-plugin/pom.xml
+++ b/tycho-surefire/tycho-surefire-plugin/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-surefire</artifactId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>tycho-surefire-plugin</artifactId>
diff --git a/tycho-testing-harness/pom.xml b/tycho-testing-harness/pom.xml
index 3c7d647..8b902d4 100644
--- a/tycho-testing-harness/pom.xml
+++ b/tycho-testing-harness/pom.xml
@@ -17,7 +17,7 @@
 	<parent>
 		<artifactId>tycho</artifactId>
 		<groupId>org.eclipse.tycho</groupId>
-		<version>0.18.1</version>
+		<version>0.18.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>tycho-testing-harness</artifactId>