diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 0752a1ec..ebd86529 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -43,3 +43,6 @@
 
 #jsoup
 -keeppackagenames org.jsoup.nodes
+
+#JCharset
+-keep class net.freeutils.charset.**
\ No newline at end of file