<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-core</artifactId>
+ <version>3.1.1</version>
+ <scope>provided</scope>
</dependency>
<dependency>
<dependency>
<groupId>net.sourceforge.pmd</groupId>
<artifactId>pmd</artifactId>
+ <version>5.1.0</version>
<scope>test</scope>
</dependency>