--- src/cli/cli.h	2024-07-08 18:54:05.000000000 +0800
+++ src/cli/cli.h	2026-07-26 09:32:37.000000000 +0800
@@ -8,6 +8,7 @@
 #define BOTAN_CLI_H_
 
 #include <botan/build.h>
+#include <cstdint>
 #include <functional>
 #include <ostream>
 #include <map>