diff --git a/common.gypi b/common.gypi
index c1445595209fc7..517a986acc4b7f 100644
--- a/common.gypi
+++ b/common.gypi
@@ -38,7 +38,7 @@
 
     # 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.10',
+    'v8_embedder_string': '-node.11',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/third_party/inspector_protocol/code_generator.py b/deps/v8/third_party/inspector_protocol/code_generator.py
index 7c72cc70e4fbeb..5cf5a308c5e6a0 100755
--- a/deps/v8/third_party/inspector_protocol/code_generator.py
+++ b/deps/v8/third_party/inspector_protocol/code_generator.py
@@ -43,6 +43,9 @@ def json_object_hook(object_dict):
       items = [(k, os.path.join(output_base, v) if k == "output" else v)
                for (k, v) in items]
       keys, values = list(zip(*items))
+      # 'async' is a keyword since Python 3.7.
+      # Avoid namedtuple(rename=True) for compatibility with Python 2.X.
+      keys = tuple('async_' if k == 'async' else k for k in keys)
       return collections.namedtuple('X', keys)(*values)
     return json.loads(data, object_hook=json_object_hook)
 
@@ -555,7 +558,7 @@ def is_async_command(self, domain, command):
     if not self.config.protocol.options:
       return False
     return self.check_options(self.config.protocol.options, domain, command,
-                              "async", None, False)
+                              "async_", None, False)
 
   def is_exported(self, domain, name):
     if not self.config.protocol.options: