diff --git a/src/util/dummy-client-face.cpp b/src/util/dummy-client-face.cpp
index 14a7631..f84d997 100644
--- a/src/util/dummy-client-face.cpp
+++ b/src/util/dummy-client-face.cpp
@@ -86,13 +86,13 @@
 
 DummyClientFace::DummyClientFace(const Options& options/* = DummyClientFace::DEFAULT_OPTIONS*/)
   : Face(make_shared<DummyClientFace::Transport>())
-  , m_internalKeyChain(new KeyChain)
+  , m_internalKeyChain(new security::v1::KeyChain)
   , m_keyChain(*m_internalKeyChain)
 {
   this->construct(options);
 }
 
-DummyClientFace::DummyClientFace(KeyChain& keyChain,
+DummyClientFace::DummyClientFace(security::v1::KeyChain& keyChain,
                                  const Options& options/* = DummyClientFace::DEFAULT_OPTIONS*/)
   : Face(make_shared<DummyClientFace::Transport>(), keyChain)
   , m_keyChain(keyChain)
@@ -103,13 +103,13 @@
 DummyClientFace::DummyClientFace(boost::asio::io_service& ioService,
                                  const Options& options/* = DummyClientFace::DEFAULT_OPTIONS*/)
   : Face(make_shared<DummyClientFace::Transport>(), ioService)
-  , m_internalKeyChain(new KeyChain)
+  , m_internalKeyChain(new security::v1::KeyChain)
   , m_keyChain(*m_internalKeyChain)
 {
   this->construct(options);
 }
 
-DummyClientFace::DummyClientFace(boost::asio::io_service& ioService, KeyChain& keyChain,
+DummyClientFace::DummyClientFace(boost::asio::io_service& ioService, security::v1::KeyChain& keyChain,
                                  const Options& options/* = DummyClientFace::DEFAULT_OPTIONS*/)
   : Face(make_shared<DummyClientFace::Transport>(), ioService, keyChain)
   , m_keyChain(keyChain)
diff --git a/src/util/dummy-client-face.hpp b/src/util/dummy-client-face.hpp
index 630913c..cbf22f1 100644
--- a/src/util/dummy-client-face.hpp
+++ b/src/util/dummy-client-face.hpp
@@ -80,7 +80,7 @@
   /** \brief Create a dummy face with internal IO service and the specified KeyChain
    */
   explicit
-  DummyClientFace(KeyChain& keyChain, const Options& options = Options());
+  DummyClientFace(security::v1::KeyChain& keyChain, const Options& options = Options());
 
   /** \brief Create a dummy face with the provided IO service
    */
@@ -89,7 +89,7 @@
 
   /** \brief Create a dummy face with the provided IO service and the specified KeyChain
    */
-  DummyClientFace(boost::asio::io_service& ioService, KeyChain& keyChain,
+  DummyClientFace(boost::asio::io_service& ioService, security::v1::KeyChain& keyChain,
                   const Options& options = Options());
 
   /** \brief cause the Face to receive an interest
@@ -166,8 +166,8 @@
   Signal<DummyClientFace, lp::Nack> onSendNack;
 
 private:
-  std::unique_ptr<KeyChain> m_internalKeyChain;
-  KeyChain& m_keyChain;
+  std::unique_ptr<security::v1::KeyChain> m_internalKeyChain;
+  security::v1::KeyChain& m_keyChain;
   std::function<void(time::milliseconds)> m_processEventsOverride;
 };
 
diff --git a/src/util/notification-stream.hpp b/src/util/notification-stream.hpp
index 42d0e36..e9921c0 100644
--- a/src/util/notification-stream.hpp
+++ b/src/util/notification-stream.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2015 Regents of the University of California.
+ * Copyright (c) 2013-2017 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -50,7 +50,7 @@
 
 #include "../name.hpp"
 #include "../face.hpp"
-#include "../security/key-chain.hpp"
+#include "../security/v1/key-chain.hpp"
 
 #include "concepts.hpp"