diff --git a/aai-annotations/pom.xml b/aai-annotations/pom.xml
index 448053f..39e4ccb 100644
--- a/aai-annotations/pom.xml
+++ b/aai-annotations/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.onap.aai.schema-service</groupId>
         <artifactId>schema-service</artifactId>
-        <version>1.9.0-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <artifactId>aai-annotations</artifactId>
     <name>aai-annotations</name>
diff --git a/aai-queries/pom.xml b/aai-queries/pom.xml
index a1a9430..dddc0b0 100644
--- a/aai-queries/pom.xml
+++ b/aai-queries/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.onap.aai.schema-service</groupId>
         <artifactId>schema-service</artifactId>
-        <version>1.9.0-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <artifactId>aai-queries</artifactId>
     <name>aai-queries</name>
diff --git a/aai-schema-gen/pom.xml b/aai-schema-gen/pom.xml
index 4dbf1a8..6f81b99 100644
--- a/aai-schema-gen/pom.xml
+++ b/aai-schema-gen/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.onap.aai.schema-service</groupId>
         <artifactId>schema-service</artifactId>
-        <version>1.9.0-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <artifactId>aai-schema-gen</artifactId>
     <name>aai-schema-gen</name>
diff --git a/aai-schema-service/pom.xml b/aai-schema-service/pom.xml
index a5d13d7..1d6fda3 100644
--- a/aai-schema-service/pom.xml
+++ b/aai-schema-service/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.onap.aai.schema-service</groupId>
         <artifactId>schema-service</artifactId>
-        <version>1.9.0-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <groupId>org.onap.aai.schema-service</groupId>
     <artifactId>aai-schema-service</artifactId>
diff --git a/aai-schema/pom.xml b/aai-schema/pom.xml
index 785e9fa..002e3da 100644
--- a/aai-schema/pom.xml
+++ b/aai-schema/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.onap.aai.schema-service</groupId>
         <artifactId>schema-service</artifactId>
-        <version>1.9.0-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <artifactId>aai-schema</artifactId>
     <name>aai-schema</name>
diff --git a/pom.xml b/pom.xml
index dc2ed89..db73f35 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
     </parent>
     <groupId>org.onap.aai.schema-service</groupId>
     <artifactId>schema-service</artifactId>
-    <version>1.9.0-SNAPSHOT</version>
+    <version>1.9.1-SNAPSHOT</version>
     <name>aai-schema-service</name>
     <packaging>pom</packaging>
     <modules>
diff --git a/version.properties b/version.properties
index 6295e20..c4dd7c8 100644
--- a/version.properties
+++ b/version.properties
@@ -4,7 +4,7 @@
 # because they are used in Jenkins, whose plug-in doesn't support
 major_version=1
 minor_version=9
-patch_version=0
+patch_version=1
 
 base_version=${major_version}.${minor_version}.${patch_version}
 # Release must be completed with GIT information # in Jenkins