diff --git a/tests/identity-management-fixture.cpp b/tests/identity-management-fixture.cpp
index 144cc76..227f686 100644
--- a/tests/identity-management-fixture.cpp
+++ b/tests/identity-management-fixture.cpp
@@ -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) 2013-2016 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -22,7 +22,7 @@
 #include "identity-management-fixture.hpp"
 
 namespace ndn {
-namespace security {
+namespace tests {
 
 IdentityManagementFixture::IdentityManagementFixture()
 {
@@ -48,5 +48,5 @@
   }
 }
 
-} // namespace security
+} // namespace tests
 } // namespace ndn