diff --git a/stubs/rx/backpressure/windowed.pyi b/stubs/rx/backpressure/windowed.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/rx/backpressure/windowed.pyi
@@ -0,0 +1,9 @@
+# Stubs for rx.backpressure.windowed (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from .controlledobservable import ControlledObservable
+from .windowedobservable import WindowedObservable
+from typing import Any
+
+def windowed(self, window_size: Any): ...