--- src/mongo/db/free_mon/free_mon_options.h
+++ src/mongo/db/free_mon/free_mon_options.h
@@ -31,6 +31,7 @@
 
 #include <string>
 #include <vector>
+#include <cstdint>
 
 namespace mongo {
 

--- src/mongo/util/ctype.h
+++ src/mongo/util/ctype.h
@@ -66,6 +66,7 @@
 
 #pragma once
 
+#include <stdint.h>
 #include <array>
 
 namespace mongo::ctype {