diff --git a/C++/API/inc/UsbConnection.h b/C++/API/inc/UsbConnection.h
index f07533c..614d2f9 100644
--- a/C++/API/inc/UsbConnection.h
+++ b/C++/API/inc/UsbConnection.h
@@ -1,4 +1,5 @@
 #pragma once
+#include <cstdint>
 #include <string>
 #include "Treehopper.h"