diff --git a/ring-android/app/build.gradle b/ring-android/app/build.gradle
index 99703e84806dae7cee18bea73e59336550c97207..3d6f03106caf49f5fd84b488673dd77b715fb869 100644
--- a/ring-android/app/build.gradle
+++ b/ring-android/app/build.gradle
@@ -8,8 +8,8 @@ android {
     defaultConfig {
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 164
-        versionName "20190525-6"
+        versionCode 165
+        versionName "20190525-7"
     }
 
     sourceSets {
diff --git a/ring-android/app/proguard-rules.pro b/ring-android/app/proguard-rules.pro
index 4f78caef44b86298de1d6169e36324fe8eefc120..fffa5f32c660c2859272c705837caf57fe7d7054 100644
--- a/ring-android/app/proguard-rules.pro
+++ b/ring-android/app/proguard-rules.pro
@@ -36,14 +36,8 @@
 -dontwarn freemarker.**
 
 # EZVcard
--dontwarn ezvcard.io.json.**
--keep,includedescriptorclasses class ezvcard.io.json.JCardModule { *; }
--keepclassmembers class ezvcard.io.json.JCardModule { *; }
--keep,includedescriptorclasses enum ezvcard.io.json.JCardModule { *; }
--keepclassmembers enum ezvcard.io.json.JCardModule { *; }
--keep,includedescriptorclasses interface ezvcard.io.json.JCardModule { *; }
--keepclassmembers interface ezvcard.io.json.JCardModule { *; }
--keep class ezvcard.property.** { *; }
+-keep,includedescriptorclasses class ezvcard.** { *; }
+-keepclassmembers class ezvcard.** { *; }
 
 # barcodescanner
 -keep,includedescriptorclasses class com.journeyapps.barcodescanner.** { *; }