diff --git a/tests/identity-management-fixture.hpp b/tests/identity-management-fixture.hpp
index 2776eb0..7bb39f8 100644
--- a/tests/identity-management-fixture.hpp
+++ b/tests/identity-management-fixture.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2012-2017 University of California, Los Angeles
+ * Copyright (c) 2012-2021 University of California, Los Angeles
  *
  * This file is part of ChronoSync, synchronization library for distributed realtime
  * applications for NDN.
@@ -20,7 +20,7 @@
 #ifndef NDN_TESTS_IDENTITY_MANAGEMENT_FIXTURE_HPP
 #define NDN_TESTS_IDENTITY_MANAGEMENT_FIXTURE_HPP
 
-#include "common.hpp"
+#include "detail/common.hpp"
 
 #include "unit-test-time-fixture.hpp"
 
diff --git a/tests/unit-tests/bzip2-helper.t.cpp b/tests/unit-tests/bzip2-helper.t.cpp
index 93cc8e5..3b213f8 100644
--- a/tests/unit-tests/bzip2-helper.t.cpp
+++ b/tests/unit-tests/bzip2-helper.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2012-2019 University of California, Los Angeles
+ * Copyright (c) 2012-2021 University of California, Los Angeles
  *
  * This file is part of ChronoSync, synchronization library for distributed realtime
  * applications for NDN.
@@ -17,7 +17,7 @@
  * ChronoSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "bzip2-helper.hpp"
+#include "detail/bzip2-helper.hpp"
 
 #include "tests/boost-test.hpp"
 
diff --git a/tests/unit-tests/test-logic.cpp b/tests/unit-tests/test-logic.cpp
index 95f7401..8cb0baf 100644
--- a/tests/unit-tests/test-logic.cpp
+++ b/tests/unit-tests/test-logic.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2012-2019 University of California, Los Angeles
+ * Copyright (c) 2012-2021 University of California, Los Angeles
  *
  * This file is part of ChronoSync, synchronization library for distributed realtime
  * applications for NDN.
@@ -18,7 +18,7 @@
  */
 
 #include "logic.hpp"
-#include "bzip2-helper.hpp"
+#include "detail/bzip2-helper.hpp"
 
 #include "tests/boost-test.hpp"
 #include "tests/identity-management-fixture.hpp"