diff --git a/tools/gn/bootstrap/bootstrap.py b/tools/gn/bootstrap/bootstrap.py
index ebc3237..9a8e88e 100755
--- a/tools/gn/bootstrap/bootstrap.py
+++ b/tools/gn/bootstrap/bootstrap.py
@@ -600,6 +600,7 @@
       'base/task_scheduler/scoped_set_task_priority_for_current_thread.cc',
       'base/task_scheduler/sequence.cc',
       'base/task_scheduler/sequence_sort_key.cc',
+      'base/task_scheduler/service_thread.cc',
       'base/task_scheduler/task.cc',
       'base/task_scheduler/task_scheduler.cc',
       'base/task_scheduler/task_scheduler_impl.cc',