diff --git a/src/jogasaki/serializer/value_input_exception.h b/src/jogasaki/serializer/value_input_exception.h
index 451bc43..8f50231 100644
--- a/src/jogasaki/serializer/value_input_exception.h
+++ b/src/jogasaki/serializer/value_input_exception.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstdint>
 #include <stdexcept>
 
 namespace jogasaki::serializer {