You can add local dependencies directly see example
Example
<dependency>
<groupId>sample</groupId>
<artifactId>com.sample</artifactId>
<version>1.0</version>
<scope>system</scope>
<systemPath>${project.basedir}/src/main/resources/yourJar.jar</systemPath>
</dependency>
Or add on lib
<dependency>
<groupId>ProjectZen</groupId>
<artifactId>community</artifactId>
<scope>system</scope>
<version>1</version>
<systemPath>${basedir}/libs/ProjectZen.jar</systemPath>
</dependency>