When I upgraded my application recently to include Play Services 5.x (for Wearable integration) I ran into the infamous VerifyError. Thanks to this Google post, I could easily fix the issue. In short, when you have this in your build file: ... //keep GMS play services at 4.4, 5.x only works with support-v4:21.+ //compile 'com.google.android.gms:play-services:4.4.52' compile 'com.google.android.gms