diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index c9b071d6..01d947bc 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -1,5 +1,6 @@
 version: 2
 
 python:
+     version: 3.8
      install:
           - requirements: requirements.txt