diff --git a/src/gpioplus/utility/aspeed.hpp b/src/gpioplus/utility/aspeed.hpp
index d3acecc..7d0cb8e 100644
--- a/src/gpioplus/utility/aspeed.hpp
+++ b/src/gpioplus/utility/aspeed.hpp
@@ -1,4 +1,5 @@
 #pragma once
+#include <cstdint>
 #include <stdexcept>
 #include <string_view>