diff --git a/tools/dissect/dissector.cpp b/tools/dissect/dissector.cpp
index 33677bc..c08a40d 100644
--- a/tools/dissect/dissector.cpp
+++ b/tools/dissect/dissector.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023, Regents of the University of California.
+ * Copyright (c) 2013-2024, Regents of the University of California.
  *
  * This file is part of ndn-tools (Named Data Networking Essential Tools).
  * See AUTHORS.md for complete list of ndn-tools authors and contributors.
@@ -24,12 +24,13 @@
 
 #include "dissector.hpp"
 
-#include <map>
-
 #include <ndn-cxx/encoding/tlv.hpp>
 #include <ndn-cxx/encoding/tlv-security.hpp>
 #include <ndn-cxx/util/string-helper.hpp>
 
+#include <iostream>
+#include <map>
+
 namespace ndn::dissect {
 
 Dissector::Dissector(std::istream& input, std::ostream& output, const Options& options)