diff --git a/extensions/proguard-rules.pro b/extensions/proguard-rules.pro
index d1dc7f6e1..53b4fe8a2 100644
--- a/extensions/proguard-rules.pro
+++ b/extensions/proguard-rules.pro
@@ -7,7 +7,8 @@
 -keep class com.google.** {
   *;
 }
-
 -keep class org.mozilla.javascript.** { *; }
--keep class org.mozilla.classfile.ClassFileWriter
--dontwarn org.mozilla.javascript.tools.**
\ No newline at end of file
+-dontwarn org.mozilla.javascript.tools.**
+-dontwarn java.beans.**
+-dontwarn jdk.dynalink.**
+-dontwarn javax.script.**
\ No newline at end of file