diff --git a/common.gypi b/common.gypi
index 3126f43aa975f3..a8bb1142f41662 100644
--- a/common.gypi
+++ b/common.gypi
@@ -36,7 +36,7 @@
 
     # 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.77',
+    'v8_embedder_string': '-node.78',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/src/builtins/promise-misc.tq b/deps/v8/src/builtins/promise-misc.tq
index 3c2863077307d5..1962167067456a 100644
--- a/deps/v8/src/builtins/promise-misc.tq
+++ b/deps/v8/src/builtins/promise-misc.tq
@@ -133,7 +133,7 @@ transitioning macro RunContextPromiseHookResolve(implicit context: Context)(
 
 @export
 transitioning macro RunContextPromiseHookBefore(implicit context: Context)(
-    promiseOrCapability: JSPromise|PromiseCapability) {
+    promiseOrCapability: JSPromise|PromiseCapability|Undefined) {
   RunContextPromiseHook(
       NativeContextSlot::PROMISE_HOOK_BEFORE_FUNCTION_INDEX, promiseOrCapability,
       PromiseHookFlags());
@@ -141,7 +141,7 @@ transitioning macro RunContextPromiseHookBefore(implicit context: Context)(
 
 @export
 transitioning macro RunContextPromiseHookBefore(implicit context: Context)(
-    promiseOrCapability: JSPromise|PromiseCapability, flags: uint32) {
+    promiseOrCapability: JSPromise|PromiseCapability|Undefined, flags: uint32) {
   RunContextPromiseHook(
       NativeContextSlot::PROMISE_HOOK_BEFORE_FUNCTION_INDEX, promiseOrCapability,
       flags);
@@ -149,7 +149,7 @@ transitioning macro RunContextPromiseHookBefore(implicit context: Context)(
 
 @export
 transitioning macro RunContextPromiseHookAfter(implicit context: Context)(
-    promiseOrCapability: JSPromise|PromiseCapability) {
+    promiseOrCapability: JSPromise|PromiseCapability|Undefined) {
   RunContextPromiseHook(
       NativeContextSlot::PROMISE_HOOK_AFTER_FUNCTION_INDEX, promiseOrCapability,
       PromiseHookFlags());
@@ -157,7 +157,7 @@ transitioning macro RunContextPromiseHookAfter(implicit context: Context)(
 
 @export
 transitioning macro RunContextPromiseHookAfter(implicit context: Context)(
-    promiseOrCapability: JSPromise|PromiseCapability, flags: uint32) {
+    promiseOrCapability: JSPromise|PromiseCapability|Undefined, flags: uint32) {
   RunContextPromiseHook(
       NativeContextSlot::PROMISE_HOOK_AFTER_FUNCTION_INDEX, promiseOrCapability,
       flags);
@@ -165,7 +165,7 @@ transitioning macro RunContextPromiseHookAfter(implicit context: Context)(
 
 transitioning macro RunContextPromiseHook(implicit context: Context)(
     slot: NativeContextSlot,
-    promiseOrCapability: JSPromise|PromiseCapability, flags: uint32) {
+    promiseOrCapability: JSPromise|PromiseCapability|Undefined, flags: uint32) {
   if (!IsContextPromiseHookEnabled(flags)) return;
   const nativeContext: NativeContext = LoadNativeContext(context);
   const hook = Cast<JSFunction>(nativeContext[slot]) otherwise return;
@@ -178,6 +178,9 @@ transitioning macro RunContextPromiseHook(implicit context: Context)(
     case (capability: PromiseCapability): {
       promise = Cast<JSPromise>(capability.promise) otherwise return;
     }
+    case (Undefined): {
+      return;
+    }
   }
 
   try {
diff --git a/deps/v8/test/mjsunit/promise-hooks.js b/deps/v8/test/mjsunit/promise-hooks.js
index 9e13206a525f95..db7041a8f5de97 100644
--- a/deps/v8/test/mjsunit/promise-hooks.js
+++ b/deps/v8/test/mjsunit/promise-hooks.js
@@ -1,7 +1,7 @@
 // Copyright 2020 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.
-//
+
 // Flags: --allow-natives-syntax --opt --no-always-opt --no-stress-opt --deopt-every-n-times=0 --ignore-unhandled-promises
 
 let log = [];
@@ -242,3 +242,13 @@ optimizerBailout(async () => {
 });
 basicTest();
 exceptions();
+
+(function regress1126309() {
+  function __f_16(test) {
+    test();
+    d8.promise.setHooks( undefined, () => {});
+    %PerformMicrotaskCheckpoint();
+    d8.promise.setHooks();
+  }
+  __f_16(async () => { await Promise.resolve()});
+})();