maven-shade-plugin

<plugin>
	<groupId>org.apache.maven.plugins</groupId>
	<artifactId>maven-shade-plugin</artifactId>
	<configuration>
		<transformers>
			<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
				<mainClass>{your.package.main.class}</mainClass>
			</transformer>
		</transformers>
		<filters>
			<filter>
				<artifact>*:*</artifact>
				<excludes>
					<exclude>META-INF/*.SF</exclude>
					<exclude>META-INF/*.DSA</exclude>
					<exclude>META-INF/*.RSA</exclude>
				</excludes>
			</filter>
		</filters>
	</configuration>
	<executions>
		<execution>
			<phase>package</phase>
			<goals>
				<goal>shade</goal>
			</goals>
		</execution>
	</executions>
</plugin>