From 195483021fc7e3bb4453592b20a72948ceb21e0a Mon Sep 17 00:00:00 2001
From: Jiaming Yuan <jm.yuan@outlook.com>
Date: Mon, 14 Oct 2024 00:25:25 +0800
Subject: [PATCH] lint.

---
 src/collective/socket.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/collective/socket.cc b/src/collective/socket.cc
index e0431fa5cc70..e37648c8edd3 100644
--- a/src/collective/socket.cc
+++ b/src/collective/socket.cc
@@ -3,6 +3,7 @@
  */
 #include "xgboost/collective/socket.h"
 
+#include <algorithm>     // for max
 #include <array>         // for array
 #include <cstddef>       // for size_t
 #include <cstdint>       // for int32_t