<dependency>
<groupId>org.spockframework</groupId>
<artifactId>spock-core</artifactId>
<version>1.1-groovy-2.4-rc-4</version>
</dependency>
@Grapes(
@Grab(group='org.spockframework', module='spock-core', version='1.1-groovy-2.4-rc-4')
)