diff --git a/exports.go b/exports.go
index c0d8a0d19093123493fb28f16bde149cb46e622e..60fa6e83190b0135a3fa02301091bd7f1976a170 100644
--- a/exports.go
+++ b/exports.go
@@ -16,10 +16,14 @@ type Conn interface {
 }
 
 // Handler is the equivalent of http.Handler, but for jsonrpc.
-type Handler = jsonrpc.Handler
+type Handler interface {
+	jsonrpc.Handler
+}
 
 // ResponseWriter is used to write responses to the request
-type ResponseWriter = jsonrpc.ResponseWriter
+type ResponseWriter interface {
+	jsonrpc.ResponseWriter
+}
 
 type (
 	// HandlerFunc is a Handler that exists as a function