diff --git a/common.gypi b/common.gypi
index 787d627086f151..60d7697495b5b9 100644
--- a/common.gypi
+++ b/common.gypi
@@ -39,7 +39,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.8',
+    'v8_embedder_string': '-node.9',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/src/base/macros.h b/deps/v8/src/base/macros.h
index 72ef64cfbe08d0..5f52a9893e6a56 100644
--- a/deps/v8/src/base/macros.h
+++ b/deps/v8/src/base/macros.h
@@ -6,6 +6,7 @@
 #define V8_BASE_MACROS_H_
 
 #include <limits>
+#include <type_traits>
 
 #include "src/base/compiler-specific.h"
 #include "src/base/logging.h"