diff --git a/tools_webrtc/mb/mb_config.pyl b/tools_webrtc/mb/mb_config.pyl
index 6bf3d52a3b..138ecf275c 100644
--- a/tools_webrtc/mb/mb_config.pyl
+++ b/tools_webrtc/mb/mb_config.pyl
@@ -260,8 +260,10 @@
     ['android', 'debug_static_bot', 'arm', 'bwe_test_logging'],
     'bwe_test_logging_x64': ['debug_bot', 'x64', 'bwe_test_logging'],
     'bwe_test_logging_x86': ['debug_bot', 'x86', 'bwe_test_logging'],
-    'code_coverage_bot_x64':
-    ['openh264', 'release_bot', 'x64', 'code_coverage'],
+    'code_coverage_bot_x64': [
+      'openh264', 'release_bot', 'x64', 'code_coverage',
+      'partial_code_coverage_instrumentation'
+    ],
     'codesearch_gen_linux_bot': ['openh264', 'debug_bot', 'minimal_symbols'],
     'debug_bot_arm': ['openh264', 'debug_bot', 'arm'],
     'debug_bot_arm64': ['openh264', 'debug_bot', 'arm64'],
@@ -474,6 +476,10 @@
     'optimize_for_fuzzing': {
       'gn_args': 'optimize_for_fuzzing=true',
     },
+    'partial_code_coverage_instrumentation': {
+      'gn_args':
+      'coverage_instrumentation_input_file="//.code-coverage/files_to_instrument.txt"'
+    },
     # The 'pure_release_bot' configuration is for release bots that are doing a
     # 100% release build without DCHECKs while 'release_bot' is a partial
     # release configs since `dcheck_always_on` is set to true.