diff --git a/deps/ada/ada.gyp b/deps/ada/ada.gyp
index 4c8910dcb5c915..30054e63e567fd 100644
--- a/deps/ada/ada.gyp
+++ b/deps/ada/ada.gyp
@@ -6,10 +6,19 @@
     {
       'target_name': 'ada',
       'type': 'static_library',
-      'include_dirs': ['.'],
+      'include_dirs': [
+        '.',
+        '<(DEPTH)/deps/v8/third_party/simdutf',
+      ],
       'direct_dependent_settings': {
         'include_dirs': ['.'],
       },
+      'defines': [
+        'ADA_USE_SIMDUTF=1',
+      ],
+      'dependencies': [
+        '../../tools/v8_gypfiles/v8.gyp:simdutf',
+      ],
       'sources': [ '<@(ada_sources)' ]
     },
   ]