<dependency> <maven> <groupId>org.apache.maven.shared</groupId> <artifactId>maven-enforcer-rule-api</artifactId> <version>1.0-alpha-2</version> </maven> <jpp> <groupId>JPP</groupId> <artifactId>maven-enforcer-rule-api</artifactId> <version>1.0-alpha-2</version> </jpp> </dependency>