diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index b7de4270e..7f0c43258 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -82,6 +82,10 @@
 -keepattributes SourceFile,LineNumberTable
 -renamesourcefileattribute SourceFile
 
+# Bouncy Castle -- Keep EC
+-keep class org.bouncycastle.jcajce.provider.asymmetric.EC$* { *; }
+-keep class org.bouncycastle.jcajce.provider.asymmetric.ec.KeyPairGeneratorSpi$EC
+
 # remove all logging from production apk
 -assumenosideeffects class android.util.Log {
     public static *** getStackTraceString(...);