diff --git a/readthedocs.yml b/readthedocs.yml
index a2bc2646f..2b684d138 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -1,4 +1,4 @@
 python:
-  version: 3.5
+  version: 3.8
   pip_install: true
 requirements_file: docs/requirements.txt