diff --git a/engine/pom.xml b/engine/pom.xml
index d6fcb715..54b98f28 100644
--- a/engine/pom.xml
+++ b/engine/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>engine</artifactId>
diff --git a/iceland-stream/pom.xml b/iceland-stream/pom.xml
index 3a7d286a..fd994a09 100644
--- a/iceland-stream/pom.xml
+++ b/iceland-stream/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <artifactId>iceland-stream</artifactId>
     <name>52°North Iceland Streaming Interfaces</name>
diff --git a/kvp/pom.xml b/kvp/pom.xml
index ce7022a0..15e7d139 100644
--- a/kvp/pom.xml
+++ b/kvp/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <artifactId>kvp</artifactId>
     <name>52°North javaPS KVP Binding</name>
diff --git a/pom.xml b/pom.xml
index fcaf3171..6ec7b255 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
 
     <groupId>org.n52.wps</groupId>
     <artifactId>javaPS</artifactId>
-    <version>1.8.2-SNAPSHOT</version>
+    <version>1.9.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>52°North javaPS</name>
diff --git a/rest/pom.xml b/rest/pom.xml
index 06f0c8e7..354c1986 100644
--- a/rest/pom.xml
+++ b/rest/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>rest</artifactId>
diff --git a/service/pom.xml b/service/pom.xml
index 1998fe9d..553fd1dc 100644
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>service</artifactId>
diff --git a/transactional-rest/pom.xml b/transactional-rest/pom.xml
index fbcbf930..4a639880 100644
--- a/transactional-rest/pom.xml
+++ b/transactional-rest/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>transactional-rest</artifactId>
diff --git a/transactional/pom.xml b/transactional/pom.xml
index d0adfd35..0508218b 100644
--- a/transactional/pom.xml
+++ b/transactional/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>transactional</artifactId>
diff --git a/webapp/pom.xml b/webapp/pom.xml
index e3ed52e3..fa58d1eb 100644
--- a/webapp/pom.xml
+++ b/webapp/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>webapp</artifactId>
diff --git a/xml/pom.xml b/xml/pom.xml
index 9e56c7f0..7ebafb31 100644
--- a/xml/pom.xml
+++ b/xml/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <artifactId>xml</artifactId>
     <name>52°North javaPS POX Binding</name>