diff --git a/tools/font-subset/hb_wrappers.h b/tools/font-subset/hb_wrappers.h
index 9638bebe610c1..9372e885ff0bf 100644
--- a/tools/font-subset/hb_wrappers.h
+++ b/tools/font-subset/hb_wrappers.h
@@ -6,6 +6,7 @@
 #define HB_WRAPPERS_H_
 
 #include <hb-subset.h>
+#include <memory>
 
 namespace HarfbuzzWrappers {
 struct hb_blob_deleter {