diff --git a/BUILD.gn b/BUILD.gn
index ca3a4b26c5..c969d994c9 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1180,6 +1180,7 @@ action("v8_dump_build_config") {
     "v8_use_snapshot=$v8_use_snapshot",
     "v8_enable_embedded_builtins=$v8_enable_embedded_builtins",
     "v8_enable_verify_csa=$v8_enable_verify_csa",
+    "v8_enable_lite_mode=$v8_enable_lite_mode",
   ]
 
   if (v8_current_cpu == "mips" || v8_current_cpu == "mipsel" ||
diff --git a/tools/testrunner/base_runner.py b/tools/testrunner/base_runner.py
index 5c71cb33ee..57739b3889 100644
--- a/tools/testrunner/base_runner.py
+++ b/tools/testrunner/base_runner.py
@@ -187,6 +187,7 @@ class BuildConfig(object):
     self.ubsan_vptr = build_config['is_ubsan_vptr']
     self.embedded_builtins = build_config['v8_enable_embedded_builtins']
     self.verify_csa = build_config['v8_enable_verify_csa']
+    self.lite_mode = build_config['v8_enable_lite_mode']
     # Export only for MIPS target
     if self.arch in ['mips', 'mipsel', 'mips64', 'mips64el']:
       self.mips_arch_variant = build_config['mips_arch_variant']
@@ -219,6 +220,8 @@ class BuildConfig(object):
       detected_options.append('embedded_builtins')
     if self.verify_csa:
       detected_options.append('verify_csa')
+    if self.lite_mode:
+      detected_options.append('lite_mode')
 
     return '\n'.join(detected_options)
 
@@ -662,6 +665,7 @@ class BaseTestRunner(object):
       "ubsan_vptr": self.build_config.ubsan_vptr,
       "embedded_builtins": self.build_config.embedded_builtins,
       "verify_csa": self.build_config.verify_csa,
+      "lite_mode": self.build_config.lite_mode,
     }
 
   def _create_test_config(self, options):
diff --git a/tools/unittests/run_tests_test.py b/tools/unittests/run_tests_test.py
index a91bb072f3..723de395b0 100755
--- a/tools/unittests/run_tests_test.py
+++ b/tools/unittests/run_tests_test.py
@@ -355,7 +355,8 @@ class SystemTest(unittest.TestCase):
           basedir, dcheck_always_on=True, is_asan=True, is_cfi=True,
           is_msan=True, is_tsan=True, is_ubsan_vptr=True, target_cpu='x86',
           v8_enable_i18n_support=False, v8_target_cpu='x86',
-          v8_use_snapshot=False, v8_enable_embedded_builtins=False, v8_enable_verify_csa=False)
+          v8_use_snapshot=False, v8_enable_embedded_builtins=False,
+          v8_enable_verify_csa=False, v8_enable_lite_mode=False)
       result = run_tests(
           basedir,
           '--mode=Release',
diff --git a/tools/unittests/testdata/testroot1/v8_build_config.json b/tools/unittests/testdata/testroot1/v8_build_config.json
index 3fad3216a7..247d5b1d9b 100644
--- a/tools/unittests/testdata/testroot1/v8_build_config.json
+++ b/tools/unittests/testdata/testroot1/v8_build_config.json
@@ -17,5 +17,6 @@
   "v8_target_cpu": "x64",
   "v8_use_snapshot": true,
   "v8_enable_embedded_builtins": false,
-  "v8_enable_verify_csa": false
+  "v8_enable_verify_csa": false,
+  "v8_enable_lite_mode": false
 }
diff --git a/tools/unittests/testdata/testroot2/v8_build_config.json b/tools/unittests/testdata/testroot2/v8_build_config.json
index 3fad3216a7..247d5b1d9b 100644
--- a/tools/unittests/testdata/testroot2/v8_build_config.json
+++ b/tools/unittests/testdata/testroot2/v8_build_config.json
@@ -17,5 +17,6 @@
   "v8_target_cpu": "x64",
   "v8_use_snapshot": true,
   "v8_enable_embedded_builtins": false,
-  "v8_enable_verify_csa": false
+  "v8_enable_verify_csa": false,
+  "v8_enable_lite_mode": false
 }