diff --git a/include/gz/rendering/GraphicsAPI.hh b/include/gz/rendering/GraphicsAPI.hh
index 505e4019d..b5708fd41 100644
--- a/include/gz/rendering/GraphicsAPI.hh
+++ b/include/gz/rendering/GraphicsAPI.hh
@@ -17,6 +17,7 @@
 #ifndef IGNITION_RENDERING_GRAPHICSAPI_HH_
 #define IGNITION_RENDERING_GRAPHICSAPI_HH_
 
+#include <cstdint>
 #include <string>
 #include "ignition/rendering/config.hh"
 #include "ignition/rendering/Export.hh"