I have problem with: Error:Failed to resolve: org....

# announcements

[zokipirlo]

I have problem with:
Error:Failed to resolve: org.jetbrains.kotlinkotlin stdlib1.1.0-beta-17

I have added:
ext.kotlin_version = '1.1.0-beta-17'
repositories {
jcenter()
maven { url "http://dl.bintray.com/kotlin/kotlin-eap-1.1" }
}

Do I need to do something else?