diff --git a/audio/BUILD.gn b/audio/BUILD.gn
index 72b27eb..0d8ca07 100644
--- a/audio/BUILD.gn
+++ b/audio/BUILD.gn
@@ -80,6 +80,7 @@
     "../rtc_base:rtc_base",
     "../rtc_base:rtc_base_approved",
     "../rtc_base:rtc_task_queue",
+    "../rtc_base:stringutils",
     "../system_wrappers",
     "../system_wrappers:field_trial_api",
     "../system_wrappers:metrics_api",