diff --git a/libraries/proguard-jackson-2.pro b/libraries/proguard-jackson-2.pro
index ee268bd..73b1ec4 100644
--- a/libraries/proguard-jackson-2.pro
+++ b/libraries/proguard-jackson-2.pro
@@ -6,4 +6,10 @@
 }
 -keep class com.fasterxml.jackson.databind.ObjectWriter {
     public ** writeValueAsString(**);
-}
\ No newline at end of file
+}
+#-keepnames class com.fasterxml.jackson.** { *; }
+-keep class com.fasterxml.jackson.annotation.** {
+   *;
+}
+-dontwarn org.w3c.dom.bootstrap.DOMImplementationRegistry
+-dontwarn java.beans.**
\ No newline at end of file