diff --git a/tests/key-chain-fixture.cpp b/tests/key-chain-fixture.cpp
index e2d7a97..92518a3 100644
--- a/tests/key-chain-fixture.cpp
+++ b/tests/key-chain-fixture.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2020 Regents of the University of California.
+ * Copyright (c) 2013-2021 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -23,7 +23,7 @@
 
 #include "ndn-cxx/util/io.hpp"
 
-#include <boost/filesystem.hpp>
+#include <boost/filesystem/operations.hpp>
 
 namespace ndn {
 namespace tests {
diff --git a/tests/test-home-fixture.hpp b/tests/test-home-fixture.hpp
index af5e839..3d4f056 100644
--- a/tests/test-home-fixture.hpp
+++ b/tests/test-home-fixture.hpp
@@ -29,7 +29,8 @@
 #include <initializer_list>
 
 #include <boost/algorithm/string/replace.hpp>
-#include <boost/filesystem.hpp>
+#include <boost/filesystem/operations.hpp>
+#include <boost/filesystem/path.hpp>
 
 namespace ndn {
 namespace tests {
diff --git a/tests/unit/security/trust-anchor-container.t.cpp b/tests/unit/security/trust-anchor-container.t.cpp
index 17151c8..bb336b5 100644
--- a/tests/unit/security/trust-anchor-container.t.cpp
+++ b/tests/unit/security/trust-anchor-container.t.cpp
@@ -26,7 +26,7 @@
 #include "tests/key-chain-fixture.hpp"
 #include "tests/unit/clock-fixture.hpp"
 
-#include <boost/filesystem.hpp>
+#include <boost/filesystem/operations.hpp>
 
 namespace ndn {
 namespace security {
diff --git a/tests/unit/util/config-file.t.cpp b/tests/unit/util/config-file.t.cpp
index 78b80be..9e098c1 100644
--- a/tests/unit/util/config-file.t.cpp
+++ b/tests/unit/util/config-file.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2018 Regents of the University of California.
+ * Copyright (c) 2013-2021 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -24,6 +24,7 @@
 #include "tests/boost-test.hpp"
 #include "tests/unit/test-home-env-saver.hpp"
 
+#include <boost/filesystem/operations.hpp>
 #include <cstdlib>
 
 namespace ndn {