diff --git a/stubs/rx/concurrency/threadpoolscheduler.pyi b/stubs/rx/concurrency/threadpoolscheduler.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/rx/concurrency/threadpoolscheduler.pyi
@@ -0,0 +1,20 @@
+# Stubs for rx.concurrency.threadpoolscheduler (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from .newthreadscheduler import NewThreadScheduler
+from typing import Any, Optional
+
+class ThreadPoolScheduler(NewThreadScheduler):
+    class ThreadPoolThread:
+        run: Any = ...
+        future: Any = ...
+        executor: Any = ...
+        def __init__(self, executor: Any, run: Any) -> None: ...
+        def start(self) -> None: ...
+        def cancel(self) -> None: ...
+    executor: Any = ...
+    def __init__(self, max_workers: Optional[Any] = ...) -> None: ...
+    def thread_factory(self, target: Any, *args: Any): ...
+
+thread_pool_scheduler: Any