diff --git a/configure.py b/configure.py
index 1bd24a4a8e35db..03a86c8e4c91f3 100755
--- a/configure.py
+++ b/configure.py
@@ -1419,6 +1419,7 @@ def configure_library(lib, output, pkgname=None):
 
 def configure_v8(o):
   o['variables']['v8_enable_webassembly'] = 1
+  o['variables']['v8_enable_javascript_promise_hooks'] = 1
   o['variables']['v8_enable_lite_mode'] = 1 if options.v8_lite_mode else 0
   o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0
   o['variables']['v8_no_strict_aliasing'] = 1  # Work around compiler bugs.
diff --git a/tools/v8_gypfiles/features.gypi b/tools/v8_gypfiles/features.gypi
index 2a2798156ff028..19213b46fc54a4 100644
--- a/tools/v8_gypfiles/features.gypi
+++ b/tools/v8_gypfiles/features.gypi
@@ -224,6 +224,9 @@
     # Sets -DV8_DICT_PROPERTY_CONST_TRACKING
     'v8_dict_property_const_tracking%': 0,
 
+    # Allow for JS promise hooks (instead of just C++).
+    'v8_enable_javascript_promise_hooks%': 0,
+
     # Enable allocation folding globally (sets -dV8_ALLOCATION_FOLDING).
     # When it's disabled, the --turbo-allocation-folding runtime flag will be ignored.
     'v8_enable_allocation_folding%': 1,
@@ -396,6 +399,9 @@
       ['v8_dict_property_const_tracking==1', {
         'defines': ['V8_DICT_PROPERTY_CONST_TRACKING',],
       }],
+      ['v8_enable_javascript_promise_hooks==1', {
+        'defines': ['V8_ENABLE_JAVASCRIPT_PROMISE_HOOKS',],
+      }],
       ['v8_enable_allocation_folding==1', {
         'defines': ['V8_ALLOCATION_FOLDING',],
       }],
diff --git a/tools/v8_gypfiles/inspector.gypi b/tools/v8_gypfiles/inspector.gypi
index ea4860a72744f4..902c64a252e056 100644
--- a/tools/v8_gypfiles/inspector.gypi
+++ b/tools/v8_gypfiles/inspector.gypi
@@ -166,6 +166,7 @@
         '--jinja_dir', '<(V8_ROOT)/third_party',
         '--output_base', '<(inspector_generated_output_root)/src/inspector',
         '--config', '<(inspector_path)/inspector_protocol_config.json',
+        '--config_value', 'protocol.path=<(v8_inspector_js_protocol)',
         '--inspector_protocol_dir', '<(inspector_protocol_path)',
       ],
       'message': 'Generating inspector protocol sources from protocol json',