diff --git a/gazebo/Arduino.h b/gazebo/Arduino.h
index 775d0fc..22c771f 100644
--- a/gazebo/Arduino.h
+++ b/gazebo/Arduino.h
@@ -11,6 +11,8 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/poll.h>
+#include <chrono>
+#include <thread>
 
 #define PI 3.1415926535897932384626433832795
 #define DEG_TO_RAD 0.017453292519943295769236907684886