diff --git a/pom.xml b/pom.xml
index 7e69be7..f1a6169 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>monasca</groupId>
   <artifactId>monasca-thresh-base</artifactId>
-  <version>2.3.0-SNAPSHOT</version>
+  <version>2.4.0-SNAPSHOT</version>
   <url>http://github.com/openstack/monasca-thresh</url>
   <packaging>pom</packaging>
 
diff --git a/thresh/pom.xml b/thresh/pom.xml
index e7603b3..0eef911 100644
--- a/thresh/pom.xml
+++ b/thresh/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>monasca</groupId>
     <artifactId>monasca-thresh</artifactId>
-    <version>2.3.0-SNAPSHOT</version>
+    <version>2.4.0-SNAPSHOT</version>
     <url>http://github.com/openstack/monasca-thresh</url>
     <packaging>jar</packaging>
 
@@ -128,6 +128,11 @@
             <artifactId>drizzle-jdbc</artifactId>
             <version>1.4</version>
         </dependency>
+        <dependency>
+            <groupId>org.mariadb.jdbc</groupId>
+            <artifactId>mariadb-java-client</artifactId>
+            <version>2.7.0</version>
+        </dependency>
         <dependency>
           <groupId>com.timgroup</groupId>
           <artifactId>java-statsd-client</artifactId>