diff --git a/scripts/proguard.pro b/scripts/proguard.pro
index eea6fc23d..517494f46 100644
--- a/scripts/proguard.pro
+++ b/scripts/proguard.pro
@@ -1,5 +1,6 @@
 -keepattributes Signature
 -keepattributes *Annotation*
+-keepattributes InnerClasses
 
 -optimizationpasses 5
 -verbose