After adding all the dependencies, the build.gradle file should look something like this:
group 'com.news' version '1.0-SNAPSHOT' buildscript { ext.kotlin_version = '1.1.51' ext.ktor_version = '0.9.0-alpha-2' ext.log_version = '1.2.3' ext.fuel_version = '1.11.0' repositories { mavenCentral() } dependencies { classpath "org.jetbrains.kotlin:kotlin-gradle- plugin:$kotlin_version" } } apply plugin: 'java' apply plugin: 'kotlin' sourceCompatibility = 1.8 repositories { mavenCentral() maven { url "https://dl.bintray.com/kotlin/kotlinx" } maven { url "https://dl.bintray.com/kotlin/ktor" } } dependencies { //Kotlin compile "org.jetbrains.kotlin:kotlin-stdlib-jre8:$kotlin_version" // Ktor compile "io.ktor:ktor:$ktor_version ...