From d6844311c0b87a9280cfd04ade7375cc7f587899 Mon Sep 17 00:00:00 2001
From: Ed Hennis <ed@ripple.com>
Date: Tue, 26 May 2026 15:48:29 -0400
Subject: [PATCH] clang-tidy: missing header

---
 src/test/basics/Number_test.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/test/basics/Number_test.cpp b/src/test/basics/Number_test.cpp
index 7d04022a19..26060c70e9 100644
--- a/src/test/basics/Number_test.cpp
+++ b/src/test/basics/Number_test.cpp
@@ -9,6 +9,7 @@
 #include <boost/multiprecision/number.hpp>
 
 #include <array>
+#include <cctype>
 #include <cstdint>
 #include <limits>
 #include <map>