1 files changed, 8 insertions, 0 deletions
diff --git a/crypto/src/cmp/CmpException.cs b/crypto/src/cmp/CmpException.cs
index 6594e8f2a..6d3271a20 100644
--- a/crypto/src/cmp/CmpException.cs
+++ b/crypto/src/cmp/CmpException.cs
@@ -1,11 +1,14 @@
 using System;
+using System.Runtime.Serialization;
 
 namespace Org.BouncyCastle.Cmp
 {
+    [Serializable]
     public class CmpException
         : Exception
     {
         public CmpException()
+            : base()
         {
         }
 
@@ -18,5 +21,10 @@ namespace Org.BouncyCastle.Cmp
             : base(message, innerException)
         {
         }
+
+        protected CmpException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
     }
 }