--- a/include/crossguid/guid.orig.hpp	2019-05-29 17:36:34.000000000 +0200
+++ b/include/crossguid/guid.hpp	2023-01-28 19:31:53.823965620 +0100
@@ -36,6 +36,7 @@
 #include <string_view>
 #include <utility>
 #include <iomanip>
+#include <cstdint>
 
 #define BEGIN_XG_NAMESPACE namespace xg {
 #define END_XG_NAMESPACE }