diff --git a/proguard.cfg b/proguard.cfg
index 50cb94ce41..417bcc16e2 100644
--- a/proguard.cfg
+++ b/proguard.cfg
@@ -1,7 +1,5 @@
 -keepattributes **
--keep class !android.support.v7.internal.view.menu.**,** {*;}
+-keep class !android.support.v7.internal.view.menu.**,!org.spongycastle.asn1.**,!org.spongycastle.crypto.ec.**,!org.spongycastle.x509.**,** {*;}
 -dontpreverify
 -dontoptimize
--dontshrink
 -dontwarn **
-