<project>
  <properties>
    <pmdVersion>...choose your version...</pmdVersion>
  </properties>
...
  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-pmd-plugin</artifactId>
          <version>3.16.0</version>
          <dependencies>
            <dependency>
              <groupId>net.sourceforge.pmd</groupId>
              <artifactId>pmd-core</artifactId>
              <version>${pmdVersion}</version>
            </dependency>
            <dependency>
              <groupId>net.sourceforge.pmd</groupId>
              <artifactId>pmd-java</artifactId>
              <version>${pmdVersion}</version>
            </dependency>
            <dependency>
              <groupId>net.sourceforge.pmd</groupId>
              <artifactId>pmd-javascript</artifactId>
              <version>${pmdVersion}</version>
            </dependency>
            <dependency>
              <groupId>net.sourceforge.pmd</groupId>
              <artifactId>pmd-jsp</artifactId>
              <version>${pmdVersion}</version>
            </dependency>
          </dependencies>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
...
</project>