Starting snapshot 1.9.1-SNAPSHOT
diff --git a/tools/build/envDefaults b/tools/build/envDefaults
index dc73b94..11e8962 100644
--- a/tools/build/envDefaults
+++ b/tools/build/envDefaults
@@ -18,8 +18,8 @@
 export BUILD_NUMBER=${BUILD_NUMBER:-$(id -un)}
 
 # ONOS Version and onos.tar.gz staging environment
-export ONOS_POM_VERSION="1.9.0"
-export ONOS_VERSION=${ONOS_VERSION:-1.9.0.$BUILD_NUMBER}
+export ONOS_POM_VERSION="1.9.1-SNAPSHOT"
+export ONOS_VERSION=${ONOS_VERSION:-1.9.1.$BUILD_NUMBER}
 
 # ONOS production bits (onos.tar.gz, onos.zip, onos.deb, onos.rpm) staging environment
 export ONOS_BITS=onos-${ONOS_VERSION%~*}
diff --git a/tools/build/onos-prepare-sonar b/tools/build/onos-prepare-sonar
index 455a9c8..680e33e 100755
--- a/tools/build/onos-prepare-sonar
+++ b/tools/build/onos-prepare-sonar
@@ -12,7 +12,7 @@
 from subprocess import call, check_call, check_output
 
 # FIXME pull the version from the Buck version file
-ONOS_VERSION='1.9.0'
+ONOS_VERSION='1.9.1-SNAPSHOT'
 
 # SonarQube property file name and template
 FILE_NAME = 'sonar-project.properties'
diff --git a/tools/package/archetypes/api/pom.xml b/tools/package/archetypes/api/pom.xml
index eeb3d62..6124a54 100644
--- a/tools/package/archetypes/api/pom.xml
+++ b/tools/package/archetypes/api/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.onosproject</groupId>
     <artifactId>onos-archetypes</artifactId>
-    <version>1.9.0</version>
+    <version>1.9.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>onos-api-archetype</artifactId>
diff --git a/tools/package/archetypes/api/src/main/resources/archetype-resources/pom.xml b/tools/package/archetypes/api/src/main/resources/archetype-resources/pom.xml
index 4c6edde..60d1872 100644
--- a/tools/package/archetypes/api/src/main/resources/archetype-resources/pom.xml
+++ b/tools/package/archetypes/api/src/main/resources/archetype-resources/pom.xml
@@ -32,7 +32,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos.version>1.9.0</onos.version>
+        <onos.version>1.9.1-SNAPSHOT</onos.version>
     </properties>
 
     <dependencies>
diff --git a/tools/package/archetypes/bundle/pom.xml b/tools/package/archetypes/bundle/pom.xml
index bb14d67..0d4afd2 100644
--- a/tools/package/archetypes/bundle/pom.xml
+++ b/tools/package/archetypes/bundle/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.onosproject</groupId>
     <artifactId>onos-archetypes</artifactId>
-    <version>1.9.0</version>
+    <version>1.9.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>onos-bundle-archetype</artifactId>
diff --git a/tools/package/archetypes/bundle/src/main/resources/archetype-resources/pom.xml b/tools/package/archetypes/bundle/src/main/resources/archetype-resources/pom.xml
index d7f655c..7e5be33 100644
--- a/tools/package/archetypes/bundle/src/main/resources/archetype-resources/pom.xml
+++ b/tools/package/archetypes/bundle/src/main/resources/archetype-resources/pom.xml
@@ -32,7 +32,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos.version>1.9.0</onos.version>
+        <onos.version>1.9.1-SNAPSHOT</onos.version>
         <!-- Uncomment to generate ONOS app from this module.
         <onos.app.name>org.foo.app</onos.app.name>
         <onos.app.title>Foo App</onos.app.title>
diff --git a/tools/package/archetypes/cli/pom.xml b/tools/package/archetypes/cli/pom.xml
index e63fe2b..875bd0d 100644
--- a/tools/package/archetypes/cli/pom.xml
+++ b/tools/package/archetypes/cli/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.onosproject</groupId>
     <artifactId>onos-archetypes</artifactId>
-    <version>1.9.0</version>
+    <version>1.9.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>onos-cli-archetype</artifactId>
diff --git a/tools/package/archetypes/cli/src/main/resources/archetype-resources/pom.xml b/tools/package/archetypes/cli/src/main/resources/archetype-resources/pom.xml
index 8d9d19b..d84aaec 100644
--- a/tools/package/archetypes/cli/src/main/resources/archetype-resources/pom.xml
+++ b/tools/package/archetypes/cli/src/main/resources/archetype-resources/pom.xml
@@ -32,7 +32,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos.version>1.9.0</onos.version>
+        <onos.version>1.9.1-SNAPSHOT</onos.version>
     </properties>
 
     <dependencies>
diff --git a/tools/package/archetypes/pom.xml b/tools/package/archetypes/pom.xml
index 35a5dd9..d185583 100644
--- a/tools/package/archetypes/pom.xml
+++ b/tools/package/archetypes/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.onosproject</groupId>
     <artifactId>onos-archetypes</artifactId>
-    <version>1.9.0</version>
+    <version>1.9.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <description>ONOS archetypes project</description>
diff --git a/tools/package/archetypes/rest/pom.xml b/tools/package/archetypes/rest/pom.xml
index 13969cc..8dafd00 100644
--- a/tools/package/archetypes/rest/pom.xml
+++ b/tools/package/archetypes/rest/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.onosproject</groupId>
     <artifactId>onos-archetypes</artifactId>
-    <version>1.9.0</version>
+    <version>1.9.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>onos-rest-archetype</artifactId>
diff --git a/tools/package/archetypes/rest/src/main/resources/archetype-resources/pom.xml b/tools/package/archetypes/rest/src/main/resources/archetype-resources/pom.xml
index 10947e8..33691b0 100644
--- a/tools/package/archetypes/rest/src/main/resources/archetype-resources/pom.xml
+++ b/tools/package/archetypes/rest/src/main/resources/archetype-resources/pom.xml
@@ -32,7 +32,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos.version>1.9.0</onos.version>
+        <onos.version>1.9.1-SNAPSHOT</onos.version>
 
         <web.context>/onos/${artifactId}</web.context>
         <api.version>1.0.0</api.version>
diff --git a/tools/package/archetypes/ui/pom.xml b/tools/package/archetypes/ui/pom.xml
index 063c4cf..ddddf65 100644
--- a/tools/package/archetypes/ui/pom.xml
+++ b/tools/package/archetypes/ui/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.onosproject</groupId>
     <artifactId>onos-archetypes</artifactId>
-    <version>1.9.0</version>
+    <version>1.9.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>onos-ui-archetype</artifactId>
diff --git a/tools/package/archetypes/ui/src/main/resources/archetype-resources/pom.xml b/tools/package/archetypes/ui/src/main/resources/archetype-resources/pom.xml
index 8ab3853..44259b2 100644
--- a/tools/package/archetypes/ui/src/main/resources/archetype-resources/pom.xml
+++ b/tools/package/archetypes/ui/src/main/resources/archetype-resources/pom.xml
@@ -32,7 +32,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos.version>1.9.0</onos.version>
+        <onos.version>1.9.1-SNAPSHOT</onos.version>
         <!-- Uncomment to generate ONOS app from this module.
         <onos.app.name>org.foo.app</onos.app.name>
         <onos.app.title>Foo App</onos.app.title>
diff --git a/tools/package/archetypes/uitab/pom.xml b/tools/package/archetypes/uitab/pom.xml
index 4d9d997..b2e94c7 100644
--- a/tools/package/archetypes/uitab/pom.xml
+++ b/tools/package/archetypes/uitab/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.onosproject</groupId>
     <artifactId>onos-archetypes</artifactId>
-    <version>1.9.0</version>
+    <version>1.9.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>onos-uitab-archetype</artifactId>
diff --git a/tools/package/archetypes/uitab/src/main/resources/archetype-resources/pom.xml b/tools/package/archetypes/uitab/src/main/resources/archetype-resources/pom.xml
index 42c2f94..ccdbee4 100644
--- a/tools/package/archetypes/uitab/src/main/resources/archetype-resources/pom.xml
+++ b/tools/package/archetypes/uitab/src/main/resources/archetype-resources/pom.xml
@@ -33,7 +33,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos.version>1.9.0</onos.version>
+        <onos.version>1.9.1-SNAPSHOT</onos.version>
         <!-- Uncomment to generate ONOS app from this module.
         <onos.app.name>org.foo.app</onos.app.name>
         <onos.app.title>Foo App</onos.app.title>
diff --git a/tools/package/archetypes/uitopo/pom.xml b/tools/package/archetypes/uitopo/pom.xml
index 42431d1..9f16066 100644
--- a/tools/package/archetypes/uitopo/pom.xml
+++ b/tools/package/archetypes/uitopo/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.onosproject</groupId>
     <artifactId>onos-archetypes</artifactId>
-    <version>1.9.0</version>
+    <version>1.9.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>onos-uitopo-archetype</artifactId>
diff --git a/tools/package/archetypes/uitopo/src/main/resources/archetype-resources/pom.xml b/tools/package/archetypes/uitopo/src/main/resources/archetype-resources/pom.xml
index c4f8f0b..65e9c79 100644
--- a/tools/package/archetypes/uitopo/src/main/resources/archetype-resources/pom.xml
+++ b/tools/package/archetypes/uitopo/src/main/resources/archetype-resources/pom.xml
@@ -33,7 +33,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos.version>1.9.0</onos.version>
+        <onos.version>1.9.1-SNAPSHOT</onos.version>
         <!-- Uncomment to generate ONOS app from this module.
         <onos.app.name>org.foo.app</onos.app.name>
         <onos.app.title>Foo App</onos.app.title>
diff --git a/tools/package/branding/pom.xml b/tools/package/branding/pom.xml
index ee1c4a3..8cb4a9f 100644
--- a/tools/package/branding/pom.xml
+++ b/tools/package/branding/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos</artifactId>
-        <version>1.9.0</version>
+        <version>1.9.1-SNAPSHOT</version>
         <relativePath>../../../pom.xml</relativePath>
     </parent>
 
diff --git a/tools/test/bin/onos-archetypes-test b/tools/test/bin/onos-archetypes-test
index 4022143..a7688eb 100755
--- a/tools/test/bin/onos-archetypes-test
+++ b/tools/test/bin/onos-archetypes-test
@@ -19,7 +19,7 @@
 set -e
 
 export AROOT=${ONOS_STAGE_ROOT:-/tmp}/foo
-export ARCHETYPE_OPTS="-DarchetypeGroupId=org.onosproject -DarchetypeVersion=1.9.0"
+export ARCHETYPE_OPTS="-DarchetypeGroupId=org.onosproject -DarchetypeVersion=1.9.1-SNAPSHOT"
 
 mkdir -p $AROOT
 for an in api bundle cli rest ui uitab uitopo; do