dependencies { compile group: 'javax.json.bind', name: 'javax.json.bind-api', version: '1.0' compile group: 'org.glassfish', name: 'javax.json', version: '1.1.2' compile group: 'org.eclipse', name: 'yasson', version: '1.0.1' compile group: 'com.googlecode.json-simple', name: 'json-simple', version: '1.1.1' testCompile group: 'org.mockito', name: 'mockito-core', version: '2.22.0' }