diff --git a/daemon/table/measurements.hpp b/daemon/table/measurements.hpp
index 1bd0eb7..4100fcf 100644
--- a/daemon/table/measurements.hpp
+++ b/daemon/table/measurements.hpp
@@ -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,
@@ -29,6 +29,8 @@
 #include "measurements-entry.hpp"
 #include "name-tree.hpp"
 
+#include <functional>
+
 namespace nfd {
 
 namespace fib {