diff --git a/libs/json11/json11.cpp b/libs/json11/json11.cpp
index 189e63881ac..cdd81c6a923 100644
--- a/libs/json11/json11.cpp
+++ b/libs/json11/json11.cpp
@@ -24,6 +24,7 @@
 #include <cmath>
 #include <cstdlib>
 #include <cstdio>
+#include <cstdint>
 #include <limits>
 
 namespace json11 {