Should fix CI build failing

app/src/main/java/srct/whatsopen/MyApplication.java

@@ -8,6 +8,7 @@ import android.content.res.Configuration;
 import android.preference.PreferenceManager;
 
 import com.crashlytics.android.Crashlytics;
+import com.crashlytics.android.core.CrashlyticsCore;
 import com.squareup.leakcanary.LeakCanary;
 
 import io.fabric.sdk.android.Fabric;
@@ -19,7 +20,11 @@ public class MyApplication extends Application {
     @Override
     public void onCreate() {
         super.onCreate();
-        Fabric.with(this, new Crashlytics());
+        Fabric.with(this, new Crashlytics.Builder()
+                .core(new CrashlyticsCore.Builder()
+                        .disabled(BuildConfig.DEBUG)
+                        .build())
+                .build());
 
         // Set up LeakCanary for memory leak detection
         if(LeakCanary.isInAnalyzerProcess(this)) {