diff --git a/.readthedocs.yml b/.readthedocs.yml
index d8e94e7..841753b 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -34,7 +34,6 @@ build:
 
 # Optionally declare the Python requirements required to build your docs
 python:
-   version: "3.9"
    install:
    - requirements: docs/root/requirements.txt
    - method: setuptools