Why does Gradle downgrade my transitive dependencies in a Grails 3.1 application?

Question

I am having a problem with a transitive dependency of my grails-flyway plugin. org.grails.plugins:grails-flyway:0.2.1 declares a dependency to

Answer 1

The thing causing it is the spring-boot-dependencies-1.3.3.RELEASE.pom

This forcing the flyway version to 3.2.1

According to the Spring Boot docs you should be able to add a line like this to your build.gradle: ext['flyway.version'] = '4.0.1'