diff --git a/src/SerializedValues.hpp b/src/SerializedValues.hpp
index c17210ba7..f7e5bb264 100644
--- a/src/SerializedValues.hpp
+++ b/src/SerializedValues.hpp
@@ -18,6 +18,8 @@
 
 #pragma once
 
+#include <cstdint>
+
 #include "Common.hpp"
 #include "SerializableDict.hpp"