diff --git a/troposphere/daybreak/nanovg/include/nanovg/dk_renderer.hpp b/troposphere/daybreak/nanovg/include/nanovg/dk_renderer.hpp
index d1dbb85..f251ade 100644
--- a/troposphere/daybreak/nanovg/include/nanovg/dk_renderer.hpp
+++ b/troposphere/daybreak/nanovg/include/nanovg/dk_renderer.hpp
@@ -4,6 +4,7 @@
 #include <map>
 #include <memory>
 #include <vector>
+#include <optional>
 
 #include "framework/CDescriptorSet.h"
 #include "framework/CMemPool.h"