diff --git a/thirdparty/clipper2/include/clipper2/clipper.core.h b/thirdparty/clipper2/include/clipper2/clipper.core.h
index 5a698e96f4..a68e87225e 100644
--- a/thirdparty/clipper2/include/clipper2/clipper.core.h
+++ b/thirdparty/clipper2/include/clipper2/clipper.core.h
@@ -13,6 +13,7 @@
#include "clipper2/clipper.version.h"
#include <cstdint>
#include <vector>
+#include <iterator>
#include <string>
#include <iostream>
#include <algorithm>
