diff --git a/stubs/rx/concurrency/newthreadscheduler.pyi b/stubs/rx/concurrency/newthreadscheduler.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/rx/concurrency/newthreadscheduler.pyi
@@ -0,0 +1,19 @@
+# Stubs for rx.concurrency.newthreadscheduler (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from .eventloopscheduler import EventLoopScheduler
+from .schedulerbase import SchedulerBase
+from typing import Any, Optional
+
+log: Any
+
+class NewThreadScheduler(SchedulerBase):
+    thread_factory: Any = ...
+    def __init__(self, thread_factory: Optional[Any] = ...) -> None: ...
+    def schedule(self, action: Any, state: Optional[Any] = ...): ...
+    def schedule_relative(self, duetime: Any, action: Any, state: Optional[Any] = ...): ...
+    def schedule_absolute(self, duetime: Any, action: Any, state: Optional[Any] = ...): ...
+    def schedule_periodic(self, period: Any, action: Any, state: Optional[Any] = ...): ...
+
+new_thread_scheduler: Any