diff --git a/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg b/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg
index f703b476..d4d89bbe 100644
--- a/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg
+++ b/LaunchServer/src/main/resources/ru/gravit/launchserver/defaults/proguard.cfg
@@ -17,6 +17,8 @@
 -keep class ru.zaxar163.*
 -keep class cpw.mods.fml.*
 -keep class net.minecraftforge.fml.*
+-keep class com.mojang.*
+-keep class com.google.gson.*
 -keepattributes SourceFile,LineNumberTable,*Annotation*
 -renamesourcefileattribute SourceFile
 -keepattributes Signature
@@ -24,11 +26,7 @@
 
 -keeppackagenames com.eclipsesource.json.**,com.mojang.**,org.apache.**,com.google.gson.**
 
--keep class com.eclipsesource.json.**,com.mojang.**,com.google.gson.** {
-    <fields>;
-    <methods>;
-}
--keep class org.apache.** {
+-keep class com.mojang.**,org.apache.**,com.google.gson.**,com.eclipsesource.json.** {
     *;
 }