Bump to 3.1.0-incubating for release.
diff --git a/giraph-gremlin/pom.xml b/giraph-gremlin/pom.xml
index 28429f2..c2c5569 100644
--- a/giraph-gremlin/pom.xml
+++ b/giraph-gremlin/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>giraph-gremlin</artifactId>
     <name>Apache TinkerPop :: Giraph Gremlin</name>
diff --git a/gremlin-console/pom.xml b/gremlin-console/pom.xml
index 50be97e..a9fbaab 100644
--- a/gremlin-console/pom.xml
+++ b/gremlin-console/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>tinkerpop</artifactId>
         <groupId>org.apache.tinkerpop</groupId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>gremlin-console</artifactId>
     <name>Apache TinkerPop :: Gremlin Console</name>
diff --git a/gremlin-core/pom.xml b/gremlin-core/pom.xml
index df287fa..32004ba 100644
--- a/gremlin-core/pom.xml
+++ b/gremlin-core/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>gremlin-core</artifactId>
     <name>Apache TinkerPop :: Gremlin Core</name>
diff --git a/gremlin-driver/pom.xml b/gremlin-driver/pom.xml
index bdf2af6..ac0e1f1 100644
--- a/gremlin-driver/pom.xml
+++ b/gremlin-driver/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>gremlin-driver</artifactId>
     <name>Apache TinkerPop :: Gremlin Driver</name>
diff --git a/gremlin-groovy-test/pom.xml b/gremlin-groovy-test/pom.xml
index ab3d253..5f58145 100644
--- a/gremlin-groovy-test/pom.xml
+++ b/gremlin-groovy-test/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>gremlin-groovy-test</artifactId>
     <name>Apache TinkerPop :: Gremlin Groovy Test</name>
diff --git a/gremlin-groovy/pom.xml b/gremlin-groovy/pom.xml
index eefc871..b6f611f 100644
--- a/gremlin-groovy/pom.xml
+++ b/gremlin-groovy/pom.xml
@@ -21,7 +21,7 @@
     <parent>

         <groupId>org.apache.tinkerpop</groupId>

         <artifactId>tinkerpop</artifactId>

-        <version>3.1.0-SNAPSHOT</version>

+        <version>3.1.0-incubating</version>

     </parent>

     <artifactId>gremlin-groovy</artifactId>

     <name>Apache TinkerPop :: Gremlin Groovy</name>

diff --git a/gremlin-server/pom.xml b/gremlin-server/pom.xml
index a5d79dd..2968099 100644
--- a/gremlin-server/pom.xml
+++ b/gremlin-server/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>gremlin-server</artifactId>
     <name>Apache TinkerPop :: Gremlin Server</name>
diff --git a/gremlin-shaded/pom.xml b/gremlin-shaded/pom.xml
index 8874cae..f45b1ca 100644
--- a/gremlin-shaded/pom.xml
+++ b/gremlin-shaded/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>gremlin-shaded</artifactId>
     <name>Apache TinkerPop :: Gremlin Shaded</name>
diff --git a/gremlin-test/pom.xml b/gremlin-test/pom.xml
index 4433c14..fa1f88b 100644
--- a/gremlin-test/pom.xml
+++ b/gremlin-test/pom.xml
@@ -21,7 +21,7 @@
     <parent>

         <groupId>org.apache.tinkerpop</groupId>

         <artifactId>tinkerpop</artifactId>

-        <version>3.1.0-SNAPSHOT</version>

+        <version>3.1.0-incubating</version>

     </parent>

     <artifactId>gremlin-test</artifactId>

     <name>Apache TinkerPop :: Gremlin Test</name>

diff --git a/hadoop-gremlin/pom.xml b/hadoop-gremlin/pom.xml
index 26b0b50..71f2b82 100644
--- a/hadoop-gremlin/pom.xml
+++ b/hadoop-gremlin/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>hadoop-gremlin</artifactId>
     <name>Apache TinkerPop :: Hadoop Gremlin</name>
diff --git a/neo4j-gremlin/pom.xml b/neo4j-gremlin/pom.xml
index eca07d1..5000102 100644
--- a/neo4j-gremlin/pom.xml
+++ b/neo4j-gremlin/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>neo4j-gremlin</artifactId>
     <name>Apache TinkerPop :: Neo4j Gremlin</name>
diff --git a/pom.xml b/pom.xml
index f569cef..a59fba5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
     </parent>
     <groupId>org.apache.tinkerpop</groupId>
     <artifactId>tinkerpop</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0-incubating</version>
     <packaging>pom</packaging>
     <name>Apache TinkerPop</name>
     <description>A Graph Computing Framework</description>
diff --git a/spark-gremlin/pom.xml b/spark-gremlin/pom.xml
index 1f4c546..396c4e6 100644
--- a/spark-gremlin/pom.xml
+++ b/spark-gremlin/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>spark-gremlin</artifactId>
     <name>Apache TinkerPop :: Spark Gremlin</name>
diff --git a/tinkergraph-gremlin/pom.xml b/tinkergraph-gremlin/pom.xml
index 8676a9d..04d5832 100644
--- a/tinkergraph-gremlin/pom.xml
+++ b/tinkergraph-gremlin/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.tinkerpop</groupId>
         <artifactId>tinkerpop</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0-incubating</version>
     </parent>
     <artifactId>tinkergraph-gremlin</artifactId>
     <name>Apache TinkerPop :: TinkerGraph Gremlin</name>