diff --git a/distributedlog-benchmark/pom.xml b/distributedlog-benchmark/pom.xml
index 9438dd9..768ff0b 100644
--- a/distributedlog-benchmark/pom.xml
+++ b/distributedlog-benchmark/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.distributedlog</groupId>
     <artifactId>distributedlog</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
   </parent>
   <artifactId>distributedlog-benchmark</artifactId>
   <name>Apache DistributedLog :: Benchmark</name>
diff --git a/distributedlog-build-tools/pom.xml b/distributedlog-build-tools/pom.xml
index 9517ef2..53f8272 100644
--- a/distributedlog-build-tools/pom.xml
+++ b/distributedlog-build-tools/pom.xml
@@ -20,10 +20,10 @@
   <parent>
     <groupId>org.apache.distributedlog</groupId>
     <artifactId>distributedlog</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>distributedlog-build-tools</artifactId>
   <name>Apache DistributedLog :: Build Tools</name>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating-SNAPSHOT</version>
 </project>
diff --git a/distributedlog-client/pom.xml b/distributedlog-client/pom.xml
index 5141a12..5f3aa16 100644
--- a/distributedlog-client/pom.xml
+++ b/distributedlog-client/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.distributedlog</groupId>
     <artifactId>distributedlog</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
   </parent>
   <artifactId>distributedlog-client</artifactId>
   <name>Apache DistributedLog :: Proxy Client</name>
diff --git a/distributedlog-core/pom.xml b/distributedlog-core/pom.xml
index 64edaab..9c7afc7 100644
--- a/distributedlog-core/pom.xml
+++ b/distributedlog-core/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.distributedlog</groupId>
     <artifactId>distributedlog</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
   </parent>
   <artifactId>distributedlog-core</artifactId>
   <name>Apache DistributedLog :: Core Library</name>
diff --git a/distributedlog-protocol/pom.xml b/distributedlog-protocol/pom.xml
index 3083209..8a9cb22 100644
--- a/distributedlog-protocol/pom.xml
+++ b/distributedlog-protocol/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.distributedlog</groupId>
     <artifactId>distributedlog</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
   </parent>
   <artifactId>distributedlog-protocol</artifactId>
   <name>Apache DistributedLog :: Protocol</name>
diff --git a/distributedlog-service/pom.xml b/distributedlog-service/pom.xml
index 1df3bd4..43b3349 100644
--- a/distributedlog-service/pom.xml
+++ b/distributedlog-service/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.distributedlog</groupId>
     <artifactId>distributedlog</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
   </parent>
   <artifactId>distributedlog-service</artifactId>
   <name>Apache DistributedLog :: Proxy Service</name>
diff --git a/distributedlog-tutorials/distributedlog-basic/pom.xml b/distributedlog-tutorials/distributedlog-basic/pom.xml
index 4ce5841..34ce4f7 100644
--- a/distributedlog-tutorials/distributedlog-basic/pom.xml
+++ b/distributedlog-tutorials/distributedlog-basic/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>distributedlog</artifactId>
     <groupId>org.apache.distributedlog</groupId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.apache.distributedlog</groupId>
diff --git a/distributedlog-tutorials/distributedlog-kafka/pom.xml b/distributedlog-tutorials/distributedlog-kafka/pom.xml
index af39731..00ed7d3 100644
--- a/distributedlog-tutorials/distributedlog-kafka/pom.xml
+++ b/distributedlog-tutorials/distributedlog-kafka/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>distributedlog</artifactId>
     <groupId>org.apache.distributedlog</groupId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.apache.distributedlog</groupId>
diff --git a/distributedlog-tutorials/distributedlog-mapreduce/pom.xml b/distributedlog-tutorials/distributedlog-mapreduce/pom.xml
index 09a813a..d477221 100644
--- a/distributedlog-tutorials/distributedlog-mapreduce/pom.xml
+++ b/distributedlog-tutorials/distributedlog-mapreduce/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>distributedlog</artifactId>
     <groupId>org.apache.distributedlog</groupId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.apache.distributedlog</groupId>
diff --git a/distributedlog-tutorials/distributedlog-messaging/pom.xml b/distributedlog-tutorials/distributedlog-messaging/pom.xml
index c1072ad..cb6a1a7 100644
--- a/distributedlog-tutorials/distributedlog-messaging/pom.xml
+++ b/distributedlog-tutorials/distributedlog-messaging/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>distributedlog</artifactId>
     <groupId>org.apache.distributedlog</groupId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.apache.distributedlog</groupId>
diff --git a/distributedlog-tutorials/pom.xml b/distributedlog-tutorials/pom.xml
index 036b462..56957b1 100644
--- a/distributedlog-tutorials/pom.xml
+++ b/distributedlog-tutorials/pom.xml
@@ -15,11 +15,11 @@
    limitations under the License.
 -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0                       http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.distributedlog</groupId>
     <artifactId>distributedlog</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>distributedlog-tutorials</artifactId>
diff --git a/pom.xml b/pom.xml
index 6effcd6..77136c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <groupId>org.apache.distributedlog</groupId>
   <artifactId>distributedlog</artifactId>
   <packaging>pom</packaging>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating-SNAPSHOT</version>
   <name>Apache DistributedLog :: Parent</name>
   <description>
     Apache DistributedLog provides a high performance replicated log service.