failed to resolve org.json:json:20150729 in Android3.0 with kotlin

[Antinomy20001]

allprojects { repositories { google() // jcenter() jcenter({url "http://jcenter.bintray.com/"}) maven { url 'https://jitpack.io' } } } and

compile 'com.github.jkcclemens:khttp:0.1.0'

but once I sync gradle it will tell me the error: Error:Failed to resolve: org.json:json:20150729