diff --git a/service/proguard-rules.pro b/service/proguard-rules.pro
index 65b9810..13ae71a 100644
--- a/service/proguard-rules.pro
+++ b/service/proguard-rules.pro
@@ -31,3 +31,8 @@
 -keep class org.bouncycastle.jcajce.provider.** { *; }
 -keep class org.bouncycastle.jce.provider.** { *; }
 -dontwarn javax.naming.**
+
+-repackageclasses
+-allowaccessmodification
+-overloadaggressively
+-renamesourcefileattribute