diff --git a/jsprit-analysis/pom.xml b/jsprit-analysis/pom.xml
index 4cb9be8e..e6f4b058 100644
--- a/jsprit-analysis/pom.xml
+++ b/jsprit-analysis/pom.xml
@@ -22,7 +22,7 @@
   <parent>
   	<groupId>jsprit</groupId>
   	<artifactId>jsprit-project</artifactId>
-  	<version>0.0.1</version>
+  	<version>0.0.1-SNAPSHOT</version>
   	<relativePath>../jsprit-project/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/jsprit-core/pom.xml b/jsprit-core/pom.xml
index 0ed9b391..212979c0 100644
--- a/jsprit-core/pom.xml
+++ b/jsprit-core/pom.xml
@@ -22,7 +22,7 @@
   <parent>
   	<groupId>jsprit</groupId>
   	<artifactId>jsprit-project</artifactId>
-  	<version>0.0.1</version>
+  	<version>0.0.1-SNAPSHOT</version>
   	<relativePath>../jsprit-project/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/jsprit-examples/pom.xml b/jsprit-examples/pom.xml
index 0a128ea7..15485f01 100644
--- a/jsprit-examples/pom.xml
+++ b/jsprit-examples/pom.xml
@@ -22,7 +22,7 @@
   <parent>
   	<groupId>jsprit</groupId>
   	<artifactId>jsprit-project</artifactId>
-  	<version>0.0.1</version>
+  	<version>0.0.1-SNAPSHOT</version>
   	<relativePath>../jsprit-project/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/jsprit-instances/pom.xml b/jsprit-instances/pom.xml
index 2c260ba9..d3ff4839 100644
--- a/jsprit-instances/pom.xml
+++ b/jsprit-instances/pom.xml
@@ -22,7 +22,7 @@
   <parent>
   	<groupId>jsprit</groupId>
   	<artifactId>jsprit-project</artifactId>
-  	<version>0.0.1</version>
+  	<version>0.0.1-SNAPSHOT</version>
   	<relativePath>../jsprit-project/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/jsprit-project/pom.xml b/jsprit-project/pom.xml
index 1d0f0028..6ad75890 100644
--- a/jsprit-project/pom.xml
+++ b/jsprit-project/pom.xml
@@ -23,7 +23,7 @@
   
   <groupId>jsprit</groupId>
   <artifactId>jsprit-project</artifactId>
-  <version>0.0.1</version>
+  <version>0.0.1-SNAPSHOT</version>
   
   <packaging>pom</packaging>
   
@@ -55,7 +55,7 @@
   	<connection>scm:git:git@github.com:jsprit/jsprit.git</connection>
   	<developerConnection>scm:git:https://github.com/jsprit/jsprit.git</developerConnection>
   	<url>http://github.com/jsprit/jsprit/tree/master</url>
-  	<tag>v0.0.1</tag>
+  	<tag>HEAD</tag>
   </scm>
   
   <issueManagement>