diff --git a/include/enum_name.hpp b/include/enum_name.hpp
index 02c7995..992635a 100644
--- a/include/enum_name.hpp
+++ b/include/enum_name.hpp
@@ -27,6 +27,7 @@
 
 #include <algorithm>
 #include <array>
+#include <cstdint>
 #include <cstring>
 #include <string>
 #include <type_traits>