diff --git a/pom.xml b/pom.xml
index 4f3cfa3..6ecf18c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.apache.taverna.engine</groupId>
     <artifactId>apache-taverna-engine</artifactId>
-    <version>3.1.0-incubating-SNAPSHOT</version>
+    <version>3.1.0-incubating</version>
     <packaging>pom</packaging>
     <name>Apache Taverna Engine and Platform</name>
 
@@ -129,7 +129,7 @@
         <connection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-taverna-engine.git</connection>
         <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-taverna-engine.git</developerConnection>
         <url>https://github.com/apache/incubator-taverna-engine</url>
-        <tag>HEAD</tag>
+        <tag>3.1.0-incubating-RC3</tag>
     </scm>
 
     <repositories>
diff --git a/taverna-activity-archetype/pom.xml b/taverna-activity-archetype/pom.xml
index 71d9271..4c9e9bb 100644
--- a/taverna-activity-archetype/pom.xml
+++ b/taverna-activity-archetype/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.taverna.engine</groupId>
         <artifactId>apache-taverna-engine</artifactId>
-        <version>3.1.0-incubating-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>taverna-activity-archetype</artifactId>
     <packaging>maven-archetype</packaging>
diff --git a/taverna-activity-test-utils/pom.xml b/taverna-activity-test-utils/pom.xml
index 5d34f54..f94d036 100644
--- a/taverna-activity-test-utils/pom.xml
+++ b/taverna-activity-test-utils/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-activity-test-utils</artifactId>
 	<name>Apache Taverna Activity test utils</name>
diff --git a/taverna-capability-api/pom.xml b/taverna-capability-api/pom.xml
index ed2ceba..739c9ff 100644
--- a/taverna-capability-api/pom.xml
+++ b/taverna-capability-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-capability-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-capability-impl/pom.xml b/taverna-capability-impl/pom.xml
index 8c08d2e..c8107bf 100644
--- a/taverna-capability-impl/pom.xml
+++ b/taverna-capability-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-capability-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-credential-manager-api/pom.xml b/taverna-credential-manager-api/pom.xml
index 5127f80..16caf45 100644
--- a/taverna-credential-manager-api/pom.xml
+++ b/taverna-credential-manager-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
     <groupId>org.apache.taverna.engine</groupId>
     <artifactId>apache-taverna-engine</artifactId>
-    <version>3.1.0-incubating-SNAPSHOT</version>
+    <version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-credential-manager-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-credential-manager-impl/pom.xml b/taverna-credential-manager-impl/pom.xml
index 3f200e7..5b01a41 100644
--- a/taverna-credential-manager-impl/pom.xml
+++ b/taverna-credential-manager-impl/pom.xml
@@ -23,7 +23,7 @@
 	<parent>
     <groupId>org.apache.taverna.engine</groupId>
     <artifactId>apache-taverna-engine</artifactId>
-    <version>3.1.0-incubating-SNAPSHOT</version>
+    <version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-credential-manager-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-database-configuration-api/pom.xml b/taverna-database-configuration-api/pom.xml
index fcaaade..12bb74c 100644
--- a/taverna-database-configuration-api/pom.xml
+++ b/taverna-database-configuration-api/pom.xml
@@ -22,7 +22,7 @@
     <parent>
 			<groupId>org.apache.taverna.engine</groupId>
 			<artifactId>apache-taverna-engine</artifactId>
-			<version>3.1.0-incubating-SNAPSHOT</version>
+			<version>3.1.0-incubating</version>
     </parent>
 	<artifactId>taverna-database-configuration-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-database-configuration-impl/pom.xml b/taverna-database-configuration-impl/pom.xml
index 510ca11..8ae16bc 100644
--- a/taverna-database-configuration-impl/pom.xml
+++ b/taverna-database-configuration-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-database-configuration-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-dataflow-activity/pom.xml b/taverna-dataflow-activity/pom.xml
index ce181da..1e8a6e0 100644
--- a/taverna-dataflow-activity/pom.xml
+++ b/taverna-dataflow-activity/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-dataflow-activity</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-execution-api/pom.xml b/taverna-execution-api/pom.xml
index 901c1cd..37d4d8f 100644
--- a/taverna-execution-api/pom.xml
+++ b/taverna-execution-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-execution-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-execution-hadoop/pom.xml b/taverna-execution-hadoop/pom.xml
index 580efad..272f93a 100644
--- a/taverna-execution-hadoop/pom.xml
+++ b/taverna-execution-hadoop/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-execution-hadoop</artifactId>
 	<name>Apache Taverna Hadoop Workflow Execution Service</name>
diff --git a/taverna-execution-impl/pom.xml b/taverna-execution-impl/pom.xml
index 75cb4da..264de62 100644
--- a/taverna-execution-impl/pom.xml
+++ b/taverna-execution-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-execution-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-execution-local/pom.xml b/taverna-execution-local/pom.xml
index 1965752..e4eb877 100644
--- a/taverna-execution-local/pom.xml
+++ b/taverna-execution-local/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-execution-local</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-execution-remote/pom.xml b/taverna-execution-remote/pom.xml
index a08a334..ee733ed 100644
--- a/taverna-execution-remote/pom.xml
+++ b/taverna-execution-remote/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-execution-remote</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-observer/pom.xml b/taverna-observer/pom.xml
index e077230..83310a3 100644
--- a/taverna-observer/pom.xml
+++ b/taverna-observer/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-observer</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-reference-api/pom.xml b/taverna-reference-api/pom.xml
index 04e4aa6..bb966d5 100644
--- a/taverna-reference-api/pom.xml
+++ b/taverna-reference-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-reference-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-reference-impl/pom.xml b/taverna-reference-impl/pom.xml
index 1124342..7408144 100644
--- a/taverna-reference-impl/pom.xml
+++ b/taverna-reference-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-reference-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-reference-testhelpers/pom.xml b/taverna-reference-testhelpers/pom.xml
index a980e27..96bc6c8 100644
--- a/taverna-reference-testhelpers/pom.xml
+++ b/taverna-reference-testhelpers/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-reference-testhelpers</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-reference-types/pom.xml b/taverna-reference-types/pom.xml
index 75b20b4..f6b2e38 100644
--- a/taverna-reference-types/pom.xml
+++ b/taverna-reference-types/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-reference-types</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-report-api/pom.xml b/taverna-report-api/pom.xml
index 601dd03..eee024e 100644
--- a/taverna-report-api/pom.xml
+++ b/taverna-report-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-report-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-run-api/pom.xml b/taverna-run-api/pom.xml
index 55a28c1..6d7becd 100644
--- a/taverna-run-api/pom.xml
+++ b/taverna-run-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-run-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-run-impl/pom.xml b/taverna-run-impl/pom.xml
index d6534ed..925ce61 100644
--- a/taverna-run-impl/pom.xml
+++ b/taverna-run-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-run-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-services-api/pom.xml b/taverna-services-api/pom.xml
index c266ada..5b79fd7 100644
--- a/taverna-services-api/pom.xml
+++ b/taverna-services-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-services-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-services-impl/pom.xml b/taverna-services-impl/pom.xml
index 6b8ba13..610f538 100644
--- a/taverna-services-impl/pom.xml
+++ b/taverna-services-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-services-impl</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-stringconstant-activity/pom.xml b/taverna-stringconstant-activity/pom.xml
index a0c1591..c23045d 100644
--- a/taverna-stringconstant-activity/pom.xml
+++ b/taverna-stringconstant-activity/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-stringconstant-activity</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-workflowmodel-api/pom.xml b/taverna-workflowmodel-api/pom.xml
index e77bac2..bd3bc5d 100644
--- a/taverna-workflowmodel-api/pom.xml
+++ b/taverna-workflowmodel-api/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-workflowmodel-api</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-workflowmodel-extensions/pom.xml b/taverna-workflowmodel-extensions/pom.xml
index e3ed59b..afbba1d 100644
--- a/taverna-workflowmodel-extensions/pom.xml
+++ b/taverna-workflowmodel-extensions/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-workflowmodel-extensions</artifactId>
 	<packaging>bundle</packaging>
diff --git a/taverna-workflowmodel-impl/pom.xml b/taverna-workflowmodel-impl/pom.xml
index 7113b2e..cb95f1c 100644
--- a/taverna-workflowmodel-impl/pom.xml
+++ b/taverna-workflowmodel-impl/pom.xml
@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>org.apache.taverna.engine</groupId>
 		<artifactId>apache-taverna-engine</artifactId>
-		<version>3.1.0-incubating-SNAPSHOT</version>
+		<version>3.1.0-incubating</version>
 	</parent>
 	<artifactId>taverna-workflowmodel-impl</artifactId>
 	<packaging>bundle</packaging>