diff --git a/common.gypi b/common.gypi
index 570a7f6d101144..ca0a986bc4f8f4 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.13',
+    'v8_embedder_string': '-node.14',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/src/builtins/proxy-get-prototype-of.tq b/deps/v8/src/builtins/proxy-get-prototype-of.tq
index 2418eaf4230cb3..5dc185dc177523 100644
--- a/deps/v8/src/builtins/proxy-get-prototype-of.tq
+++ b/deps/v8/src/builtins/proxy-get-prototype-of.tq
@@ -33,7 +33,7 @@ namespace proxy {
 
       // 8. If Type(handlerProto) is neither Object nor Null, throw a TypeError
       // exception.
-      if (!Is<JSReceiver>(handlerProto)) {
+      if (!Is<JSReceiver>(handlerProto) && handlerProto != Null) {
         goto ThrowProxyGetPrototypeOfInvalid;
       }
 
diff --git a/deps/v8/test/mjsunit/regress/regress-9781.js b/deps/v8/test/mjsunit/regress/regress-9781.js
new file mode 100644
index 00000000000000..6d3e3162d39c27
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-9781.js
@@ -0,0 +1,11 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var proto = Object.getPrototypeOf(new Proxy(Object.create(null), {
+  getPrototypeOf(target) {
+    return Reflect.getPrototypeOf(target);
+  }
+} ));
+
+assertEquals(proto, null);