diff --git a/README.rst b/README.rst
index b3b1545..ec82af2 100644
--- a/README.rst
+++ b/README.rst
@@ -3,7 +3,7 @@
 Introduction
 ------------
 
-By design asyncio `does not allow <https://bugs.python.org/issue22239>`_
+By design asyncio `does not allow <https://github.com/python/cpython/issues/66435>`_
 its event loop to be nested. This presents a practical problem:
 When in an environment where the event loop is
 already running it's impossible to run tasks and wait