diff --git a/jsprit-analysis/pom.xml b/jsprit-analysis/pom.xml
index e4dd3e4b..ec78fec8 100644
--- a/jsprit-analysis/pom.xml
+++ b/jsprit-analysis/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.graphhopper</groupId>
         <artifactId>jsprit</artifactId>
-        <version>1.7.3-SNAPSHOT</version>
+        <version>1.8-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>jsprit-analysis</artifactId>
diff --git a/jsprit-core/pom.xml b/jsprit-core/pom.xml
index d925760b..a1f893e7 100644
--- a/jsprit-core/pom.xml
+++ b/jsprit-core/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>com.graphhopper</groupId>
         <artifactId>jsprit</artifactId>
-        <version>1.7.3-SNAPSHOT</version>
+        <version>1.8-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>jsprit-core</artifactId>
diff --git a/jsprit-examples/pom.xml b/jsprit-examples/pom.xml
index 11a1b637..5473ad74 100644
--- a/jsprit-examples/pom.xml
+++ b/jsprit-examples/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.graphhopper</groupId>
         <artifactId>jsprit</artifactId>
-        <version>1.7.3-SNAPSHOT</version>
+        <version>1.8-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/jsprit-instances/pom.xml b/jsprit-instances/pom.xml
index 5f657739..72a47d53 100644
--- a/jsprit-instances/pom.xml
+++ b/jsprit-instances/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.graphhopper</groupId>
         <artifactId>jsprit</artifactId>
-        <version>1.7.3-SNAPSHOT</version>
+        <version>1.8-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/jsprit-io/pom.xml b/jsprit-io/pom.xml
index 1886f762..b41e0450 100644
--- a/jsprit-io/pom.xml
+++ b/jsprit-io/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>com.graphhopper</groupId>
         <artifactId>jsprit</artifactId>
-        <version>1.7.3-SNAPSHOT</version>
+        <version>1.8-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 3740641c..7c522e40 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 
     <groupId>com.graphhopper</groupId>
     <artifactId>jsprit</artifactId>
-    <version>1.7.3-SNAPSHOT</version>
+    <version>1.8-SNAPSHOT</version>
 
     <packaging>pom</packaging>