diff --git a/tests/key-chain-fixture.cpp b/tests/key-chain-fixture.cpp
index 21a6b9f..57bb057 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) 2014-2022,  Regents of the University of California,
+ * Copyright (c) 2014-2024,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -27,7 +27,7 @@
 
 #include <ndn-cxx/util/io.hpp>
 
-#include <boost/filesystem.hpp>
+#include <boost/filesystem/operations.hpp>
 
 namespace nfd::tests {