configurations.all {
   resolutionStrategy {
       force "com.google.android.gms:play-services-auth:11.8.0"
       force "com.google.android.gms:play-services-identity:11.8.0"
       force "com.google.android.gms:play-services-ads:11.8.0"
       force "com.google.android.gms:play-services-base:11.8.0"
       force "com.google.android.gms:play-services-gcm:11.8.0"
       force "com.google.android.gms:play-services-analytics:11.8.0"
       force "com.google.android.gms:play-services-location:11.8.0"
       force "com.google.android.gms:play-services-basement:11.8.0"
       force "com.google.android.gms:play-services-tagmanager:11.8.0"
       force 'com.google.firebase:firebase-core:11.8.0'
       force 'com.google.firebase:firebase-crash:11.8.0'
       force 'com.google.firebase:firebase-auth:11.8.0'
       force 'com.google.firebase:firebase-common:11.8.0'
       force 'com.google.firebase:firebase-config:11.8.0'
       force 'com.google.firebase:firebase-perf:11.8.0'
       force 'com.google.firebase:firebase-messaging:11.8.0'
   }
}