diff --git a/src/ChassisIntrusionSensor.cpp b/src/ChassisIntrusionSensor.cpp
index 680d9e6..536589c 100644
--- a/src/ChassisIntrusionSensor.cpp
+++ b/src/ChassisIntrusionSensor.cpp
@@ -25,6 +25,7 @@
 #include <boost/bind.hpp>
 #include <chrono>
 #include <iostream>
+#include <memory>
 #include <sdbusplus/asio/object_server.hpp>
 #include <string>
 #include <thread>