diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index c4ce4eb..cfaca78 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -15,3 +15,8 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
+
+-dontwarn org.codehaus.**
+-dontwarn java.nio.**
+-dontwarn java.lang.invoke.**
+-dontwarn rx.**