diff --git a/README.rst b/README.rst
index 1c956bdc..19a87468 100644
--- a/README.rst
+++ b/README.rst
@@ -41,7 +41,9 @@ Key Features
 Installing
 ----------
 
-**Python 3.8 or higher is required**
+**Python 3.8 or higher is required***
+
+***Do not use 3.9.7 as Python 3.9.7 has a bug that causes a TypeError with __init__ methods in subclasses.** View more `here <https://bugs.python.org/issue45121/>`_.
 
 To install the library without full voice support, you can just run the following command: