2 Runtime Dependencies

Gem Required version
json 1.8.6 >= 1.8.0 < 2.0.0
logstash-core-plugin-api 2.1.28-java >= 1.60 < 3.0

1 Development Dependency

Gem Required version
logstash-devutils 2.6.3-java >= 1.3.6 < 3.0.0