diff --git a/tests/unit-tests/test-leaf.cpp b/tests/unit-tests/test-leaf.cpp
index bc284b1..6c6a130 100644
--- a/tests/unit-tests/test-leaf.cpp
+++ b/tests/unit-tests/test-leaf.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2012-2022 University of California, Los Angeles
+ * Copyright (c) 2012-2024 University of California, Los Angeles
  *
  * This file is part of ChronoSync, synchronization library for distributed realtime
  * applications for NDN.
@@ -25,8 +25,7 @@
 #include <ndn-cxx/encoding/buffer-stream.hpp>
 #include <ndn-cxx/util/string-helper.hpp>
 
-namespace chronosync {
-namespace test {
+namespace chronosync::tests {
 
 BOOST_AUTO_TEST_SUITE(LeafTests)
 
@@ -115,5 +114,4 @@
 
 BOOST_AUTO_TEST_SUITE_END()
 
-} // namespace test
-} // namespace chronosync
+} // namespace chronosync::tests