diff --git a/hbase0.94/pom.xml b/hbase0.94/pom.xml
index ab6c1ff..a74aff5 100644
--- a/hbase0.94/pom.xml
+++ b/hbase0.94/pom.xml
@@ -56,7 +56,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.7</java.version>
-        <version.unified>1.5.4</version.unified>
+        <version.unified>1.5.5</version.unified>
         <cluster.secured>false</cluster.secured>
         <cluster.type>mini</cluster.type>
         <hadoop.version>2.0.0-cdh4.4.1</hadoop.version>
diff --git a/hbase0.96/pom.xml b/hbase0.96/pom.xml
index 203aafb..a8a724a 100644
--- a/hbase0.96/pom.xml
+++ b/hbase0.96/pom.xml
@@ -56,7 +56,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.7</java.version>
-        <version.unified>1.5.4</version.unified>
+        <version.unified>1.5.5</version.unified>
         <cluster.secured>false</cluster.secured>
         <cluster.type>mini</cluster.type>
     </properties>
diff --git a/hbase0.98/pom.xml b/hbase0.98/pom.xml
index 2cdec6b..31ddf31 100644
--- a/hbase0.98/pom.xml
+++ b/hbase0.98/pom.xml
@@ -56,7 +56,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.7</java.version>
-        <version.unified>1.5.4</version.unified>
+        <version.unified>1.5.5</version.unified>
         <cluster.secured>false</cluster.secured>
         <cluster.type>mini</cluster.type>
     </properties>
diff --git a/hbase1.0/pom.xml b/hbase1.0/pom.xml
index 6f7749d..d6a25bb 100644
--- a/hbase1.0/pom.xml
+++ b/hbase1.0/pom.xml
@@ -56,7 +56,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.7</java.version>
-        <version.unified>1.5.4</version.unified>
+        <version.unified>1.5.5</version.unified>
         <cluster.secured>false</cluster.secured>
         <cluster.type>mini</cluster.type>
     </properties>
diff --git a/hbase1.2/pom.xml b/hbase1.2/pom.xml
index a90d0d5..f8df873 100644
--- a/hbase1.2/pom.xml
+++ b/hbase1.2/pom.xml
@@ -56,7 +56,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.7</java.version>
-        <version.unified>1.5.4</version.unified>
+        <version.unified>1.5.5</version.unified>
         <cluster.secured>false</cluster.secured>
         <cluster.type>mini</cluster.type>
     </properties>