1 files changed, 2 insertions, 3 deletions
diff --git a/crypto/src/cms/CMSAttributeTableGenerator.cs b/crypto/src/cms/CMSAttributeTableGenerator.cs
index 92c9a29d9..a113bd8d4 100644
--- a/crypto/src/cms/CMSAttributeTableGenerator.cs
+++ b/crypto/src/cms/CMSAttributeTableGenerator.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections;
+using System.Collections.Generic;
 
 using Org.BouncyCastle.Asn1.Cms;
 
@@ -20,6 +19,6 @@ namespace Org.BouncyCastle.Cms
 
 	public interface CmsAttributeTableGenerator
 	{
-		AttributeTable GetAttributes(IDictionary parameters);
+		AttributeTable GetAttributes(IDictionary<CmsAttributeTableParameter, object> parameters);
 	}
 }