DependencyInstaller duplicates the version already set in the dependencyManagement section

<?xml version="1.0" encoding="UTF-8"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <modelVersion>4.0.0</modelVersion>
  <groupId>simple</groupId>
  <artifactId>simple</artifactId>
  <version>1.0.0-SNAPSHOT</version>
  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>org.jboss.forge.furnace</groupId>
        <artifactId>container-cdi</artifactId>
        <version>2.0.0.Alpha7</version>
        <classifier>forge-addon</classifier>
        <scope>provided</scope>
      </dependency>
      <dependency>
        <groupId>org.jboss.forge.addon</groupId>
        <artifactId>ui</artifactId>
        <version>2.0.0-SNAPSHOT</version>
        <classifier>forge-addon</classifier>
      </dependency>
    </dependencies>
  </dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>org.jboss.forge.furnace</groupId>
      <artifactId>container-cdi</artifactId>
      <version>2.0.0.Alpha7</version>
      <classifier>forge-addon</classifier>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>org.jboss.forge.addon</groupId>
      <artifactId>ui</artifactId>
      <version>2.0.0-SNAPSHOT</version>
      <classifier>forge-addon</classifier>
    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <artifactId>maven-jar-plugin</artifactId>
        <executions>
          <execution>
            <id>create-forge-addon</id>
            <phase>package</phase>
            <goals>
              <goal>jar</goal>
            </goals>
            <configuration>
              <classifier>forge-addon</classifier>
            </configuration>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.1</version>
        <configuration>
          <source>1.6</source>
          <target>1.6</target>
          <encoding>UTF-8</encoding>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>