diff --git a/proguard-rules.pro b/proguard-rules.pro
index 2759162a..b16740e3 100644
--- a/proguard-rules.pro
+++ b/proguard-rules.pro
@@ -33,6 +33,6 @@
 -keepattributes SourceFile,LineNumberTable,Signature,*Annotation*
 
 -keep class org.spongycastle.** {*;}
--keep class org.bouncycastle.** {*;}
+-keep class org.apache.mina.** {*;}
 
 -keep class org.kde.kdeconnect.** {*;}