ext { latestVersion = '1.0.0-SNAPSHOT' } allprojects { repositories { ... maven { url 'https://oss.jfrog.org/artifactory/oss-snapshot-local' } ... } } 

ext { latestVersion = '1.0.0' } allprojects { repositories { ... jcenter() ... } } 

... dependencies { ... implementation "io.github.v7lin:proguard-android:${latestVersion}" ... } ...