Let parent do it's work.
diff --git a/pom.xml b/pom.xml
index 68b1db3..8edeaab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -152,7 +152,6 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.18.1</version>
         <configuration>
           <systemProperties>
             <property>