diff --git a/include/mapbox/geometry/geometry.hpp b/include/mapbox/geometry/geometry.hpp
index 2820fca..4477502 100644
--- a/include/mapbox/geometry/geometry.hpp
+++ b/include/mapbox/geometry/geometry.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstdint>
 #include <mapbox/geometry/empty.hpp>
 #include <mapbox/geometry/point.hpp>
 #include <mapbox/geometry/line_string.hpp>