--- a/src/google/protobuf/port.h.orig	2023-04-24 14:27:40.734888878 +0200
+++ b/src/google/protobuf/port.h	2023-04-24 14:27:53.607255222 +0200
@@ -33,6 +33,8 @@
 // port_def.inc and port_undef.inc so they are not visible from outside of
 // protobuf.
 
+#include <stdint.h>
+
 #ifndef GOOGLE_PROTOBUF_PORT_H__
 #define GOOGLE_PROTOBUF_PORT_H__