diff --git a/hadoop-unit-alluxio/pom.xml b/hadoop-unit-alluxio/pom.xml
index 84baab1b..d3a78b8b 100644
--- a/hadoop-unit-alluxio/pom.xml
+++ b/hadoop-unit-alluxio/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-cassandra/pom.xml b/hadoop-unit-cassandra/pom.xml
index f8ad906d..0e9b36d7 100644
--- a/hadoop-unit-cassandra/pom.xml
+++ b/hadoop-unit-cassandra/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-client/hadoop-unit-client-alluxio/pom.xml b/hadoop-unit-client/hadoop-unit-client-alluxio/pom.xml
index 762f35b4..b4d1e811 100644
--- a/hadoop-unit-client/hadoop-unit-client-alluxio/pom.xml
+++ b/hadoop-unit-client/hadoop-unit-client-alluxio/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit-client</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-client/hadoop-unit-client-hdfs/pom.xml b/hadoop-unit-client/hadoop-unit-client-hdfs/pom.xml
index 5c42aa02..29925f8b 100755
--- a/hadoop-unit-client/hadoop-unit-client-hdfs/pom.xml
+++ b/hadoop-unit-client/hadoop-unit-client-hdfs/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>hadoop-unit-client</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-client/hadoop-unit-client-hive/pom.xml b/hadoop-unit-client/hadoop-unit-client-hive/pom.xml
index 1f6c0a9c..e886fd78 100755
--- a/hadoop-unit-client/hadoop-unit-client-hive/pom.xml
+++ b/hadoop-unit-client/hadoop-unit-client-hive/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>hadoop-unit-client</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-client/hadoop-unit-client-kafka/pom.xml b/hadoop-unit-client/hadoop-unit-client-kafka/pom.xml
index 90a70eb1..c215e0b5 100644
--- a/hadoop-unit-client/hadoop-unit-client-kafka/pom.xml
+++ b/hadoop-unit-client/hadoop-unit-client-kafka/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit-client</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-client/hadoop-unit-client-solrcloud/pom.xml b/hadoop-unit-client/hadoop-unit-client-solrcloud/pom.xml
index b1076f18..84dc31e0 100644
--- a/hadoop-unit-client/hadoop-unit-client-solrcloud/pom.xml
+++ b/hadoop-unit-client/hadoop-unit-client-solrcloud/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit-client</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-client/hadoop-unit-client-spark/pom.xml b/hadoop-unit-client/hadoop-unit-client-spark/pom.xml
index 84a4b160..1d2654b3 100644
--- a/hadoop-unit-client/hadoop-unit-client-spark/pom.xml
+++ b/hadoop-unit-client/hadoop-unit-client-spark/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit-client</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-client/pom.xml b/hadoop-unit-client/pom.xml
index 5bf227c9..23f0f323 100755
--- a/hadoop-unit-client/pom.xml
+++ b/hadoop-unit-client/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-commons-hadoop/pom.xml b/hadoop-unit-commons-hadoop/pom.xml
index 5cd4e086..44ee6422 100644
--- a/hadoop-unit-commons-hadoop/pom.xml
+++ b/hadoop-unit-commons-hadoop/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-commons/pom.xml b/hadoop-unit-commons/pom.xml
index fab64c3b..0c879731 100644
--- a/hadoop-unit-commons/pom.xml
+++ b/hadoop-unit-commons/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-elasticsearch/pom.xml b/hadoop-unit-elasticsearch/pom.xml
index 90fcf13a..56dd6049 100644
--- a/hadoop-unit-elasticsearch/pom.xml
+++ b/hadoop-unit-elasticsearch/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-hbase/pom.xml b/hadoop-unit-hbase/pom.xml
index 82312639..1b92c048 100644
--- a/hadoop-unit-hbase/pom.xml
+++ b/hadoop-unit-hbase/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-hdfs/pom.xml b/hadoop-unit-hdfs/pom.xml
index 36a351d7..bbf79b92 100644
--- a/hadoop-unit-hdfs/pom.xml
+++ b/hadoop-unit-hdfs/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-hive/pom.xml b/hadoop-unit-hive/pom.xml
index d712b553..d9abbbf7 100644
--- a/hadoop-unit-hive/pom.xml
+++ b/hadoop-unit-hive/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-kafka/pom.xml b/hadoop-unit-kafka/pom.xml
index e088f897..c90a1897 100644
--- a/hadoop-unit-kafka/pom.xml
+++ b/hadoop-unit-kafka/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-knox/pom.xml b/hadoop-unit-knox/pom.xml
index 29616e12..ba0938b6 100644
--- a/hadoop-unit-knox/pom.xml
+++ b/hadoop-unit-knox/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-maven-plugin/pom.xml b/hadoop-unit-maven-plugin/pom.xml
index f3ab0f0b..6b5a1bd3 100644
--- a/hadoop-unit-maven-plugin/pom.xml
+++ b/hadoop-unit-maven-plugin/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-mongodb/pom.xml b/hadoop-unit-mongodb/pom.xml
index fcb251b9..2ed62866 100644
--- a/hadoop-unit-mongodb/pom.xml
+++ b/hadoop-unit-mongodb/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-neo4j/pom.xml b/hadoop-unit-neo4j/pom.xml
index e54a3cd0..7575166e 100644
--- a/hadoop-unit-neo4j/pom.xml
+++ b/hadoop-unit-neo4j/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-oozie/pom.xml b/hadoop-unit-oozie/pom.xml
index 78a24f3e..f37cab59 100644
--- a/hadoop-unit-oozie/pom.xml
+++ b/hadoop-unit-oozie/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-redis/pom.xml b/hadoop-unit-redis/pom.xml
index e1721e5c..0c3d96ff 100644
--- a/hadoop-unit-redis/pom.xml
+++ b/hadoop-unit-redis/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-solr/pom.xml b/hadoop-unit-solr/pom.xml
index 95a32e2a..b4a5b6ea 100644
--- a/hadoop-unit-solr/pom.xml
+++ b/hadoop-unit-solr/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-solrcloud/pom.xml b/hadoop-unit-solrcloud/pom.xml
index 6bfa5eb0..b7d24068 100644
--- a/hadoop-unit-solrcloud/pom.xml
+++ b/hadoop-unit-solrcloud/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-standalone/pom.xml b/hadoop-unit-standalone/pom.xml
index a55c443c..2e414d2a 100644
--- a/hadoop-unit-standalone/pom.xml
+++ b/hadoop-unit-standalone/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-standalone/src/main/resources/hadoop-unit-default.properties b/hadoop-unit-standalone/src/main/resources/hadoop-unit-default.properties
index bc3f48a3..eb184d64 100644
--- a/hadoop-unit-standalone/src/main/resources/hadoop-unit-default.properties
+++ b/hadoop-unit-standalone/src/main/resources/hadoop-unit-default.properties
@@ -1,22 +1,22 @@
 #HADOOP_HOME=/opt/hadoop
 
-zookeeper.artifact=fr.jetoile.hadoop:hadoop-unit-zookeeper:2.5
-hdfs.artifact=fr.jetoile.hadoop:hadoop-unit-hdfs:2.5
-alluxio.artifact=fr.jetoile.hadoop:hadoop-unit-alluxio:2.5
-hivemeta.artifact=fr.jetoile.hadoop:hadoop-unit-hive:2.5
-hiveserver2.artifact=fr.jetoile.hadoop:hadoop-unit-hive:2.5
-kafka.artifact=fr.jetoile.hadoop:hadoop-unit-kafka:2.5
-hbase.artifact=fr.jetoile.hadoop:hadoop-unit-hbase:2.5
-oozie.artifact=fr.jetoile.hadoop:hadoop-unit-oozie:2.5
-solr.artifact=fr.jetoile.hadoop:hadoop-unit-solr:2.5
-solrcloud.artifact=fr.jetoile.hadoop:hadoop-unit-solrcloud:2.5
-cassandra.artifact=fr.jetoile.hadoop:hadoop-unit-cassandra:2.5
-mongodb.artifact=fr.jetoile.hadoop:hadoop-unit-mongodb:2.5
-elasticsearch.artifact=fr.jetoile.hadoop:hadoop-unit-elasticsearch:2.5
-neo4j.artifact=fr.jetoile.hadoop:hadoop-unit-neo4j:2.5
-knox.artifact=fr.jetoile.hadoop:hadoop-unit-knox:2.5
-redis.artifact=fr.jetoile.hadoop:hadoop-unit-redis:2.5
-yarn.artifact=fr.jetoile.hadoop:hadoop-unit-yarn:2.5
+zookeeper.artifact=fr.jetoile.hadoop:hadoop-unit-zookeeper:2.6-SNAPSHOT
+hdfs.artifact=fr.jetoile.hadoop:hadoop-unit-hdfs:2.6-SNAPSHOT
+alluxio.artifact=fr.jetoile.hadoop:hadoop-unit-alluxio:2.6-SNAPSHOT
+hivemeta.artifact=fr.jetoile.hadoop:hadoop-unit-hive:2.6-SNAPSHOT
+hiveserver2.artifact=fr.jetoile.hadoop:hadoop-unit-hive:2.6-SNAPSHOT
+kafka.artifact=fr.jetoile.hadoop:hadoop-unit-kafka:2.6-SNAPSHOT
+hbase.artifact=fr.jetoile.hadoop:hadoop-unit-hbase:2.6-SNAPSHOT
+oozie.artifact=fr.jetoile.hadoop:hadoop-unit-oozie:2.6-SNAPSHOT
+solr.artifact=fr.jetoile.hadoop:hadoop-unit-solr:2.6-SNAPSHOT
+solrcloud.artifact=fr.jetoile.hadoop:hadoop-unit-solrcloud:2.6-SNAPSHOT
+cassandra.artifact=fr.jetoile.hadoop:hadoop-unit-cassandra:2.6-SNAPSHOT
+mongodb.artifact=fr.jetoile.hadoop:hadoop-unit-mongodb:2.6-SNAPSHOT
+elasticsearch.artifact=fr.jetoile.hadoop:hadoop-unit-elasticsearch:2.6-SNAPSHOT
+neo4j.artifact=fr.jetoile.hadoop:hadoop-unit-neo4j:2.6-SNAPSHOT
+knox.artifact=fr.jetoile.hadoop:hadoop-unit-knox:2.6-SNAPSHOT
+redis.artifact=fr.jetoile.hadoop:hadoop-unit-redis:2.6-SNAPSHOT
+yarn.artifact=fr.jetoile.hadoop:hadoop-unit-yarn:2.6-SNAPSHOT
 
 maven.central.repo=https://repo.maven.apache.org/maven2/
 maven.local.repo=/home/khanh/.m2/repository
diff --git a/hadoop-unit-windowslibs/pom.xml b/hadoop-unit-windowslibs/pom.xml
index 4efc13ff..1d1eab10 100644
--- a/hadoop-unit-windowslibs/pom.xml
+++ b/hadoop-unit-windowslibs/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-yarn/pom.xml b/hadoop-unit-yarn/pom.xml
index 3c010578..beedf35f 100644
--- a/hadoop-unit-yarn/pom.xml
+++ b/hadoop-unit-yarn/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/hadoop-unit-zookeeper/pom.xml b/hadoop-unit-zookeeper/pom.xml
index 02864a40..591c8ca6 100644
--- a/hadoop-unit-zookeeper/pom.xml
+++ b/hadoop-unit-zookeeper/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index a48069c3..ca0a9a6f 100755
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <groupId>fr.jetoile.hadoop</groupId>
     <artifactId>hadoop-unit</artifactId>
     <packaging>pom</packaging>
-    <version>2.5</version>
+    <version>2.6-SNAPSHOT</version>
     <name>hadoop-unit</name>
     <url>https://github.com/jetoile/hadoop-unit</url>
 
diff --git a/sample/all/pom.xml b/sample/all/pom.xml
index ce4a807c..50c88130 100644
--- a/sample/all/pom.xml
+++ b/sample/all/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/kafka-spark-streaming/pom.xml b/sample/kafka-spark-streaming/pom.xml
index 826c879e..c087589e 100644
--- a/sample/kafka-spark-streaming/pom.xml
+++ b/sample/kafka-spark-streaming/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/kafka-stream/pom.xml b/sample/kafka-stream/pom.xml
index 48bda341..2c6f368e 100644
--- a/sample/kafka-stream/pom.xml
+++ b/sample/kafka-stream/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/knox-hbase-webhdfs/pom.xml b/sample/knox-hbase-webhdfs/pom.xml
index fb8f2f53..22ff6ce0 100644
--- a/sample/knox-hbase-webhdfs/pom.xml
+++ b/sample/knox-hbase-webhdfs/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/parquet-spark/pom.xml b/sample/parquet-spark/pom.xml
index c0c83c62..75919107 100644
--- a/sample/parquet-spark/pom.xml
+++ b/sample/parquet-spark/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/pom.xml b/sample/pom.xml
index 8374175b..42996337 100644
--- a/sample/pom.xml
+++ b/sample/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>hadoop-unit</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
diff --git a/sample/redis/pom.xml b/sample/redis/pom.xml
index ab42bd74..7a57a49b 100644
--- a/sample/redis/pom.xml
+++ b/sample/redis/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/solr-parquet-spark/pom.xml b/sample/solr-parquet-spark/pom.xml
index 24b7420c..49ff0877 100644
--- a/sample/solr-parquet-spark/pom.xml
+++ b/sample/solr-parquet-spark/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/spark-streaming-cassandra/pom.xml b/sample/spark-streaming-cassandra/pom.xml
index 9fc24ee6..178a81ea 100644
--- a/sample/spark-streaming-cassandra/pom.xml
+++ b/sample/spark-streaming-cassandra/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>fr.jetoile.hadoop</groupId>
-        <version>2.5</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>