diff --git a/ssl/internal.h b/ssl/internal.h
index fdd3cb563..3ac6716d6 100644
--- a/ssl/internal.h
+++ b/ssl/internal.h
@@ -146,6 +146,7 @@
 
 #include <stdlib.h>
 
+#include <new>
 #include <type_traits>
 #include <utility>