diff --git a/.readthedocs.yml b/.readthedocs.yml
index 334c9bd..d91f6df 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -18,6 +18,7 @@ formats: all
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
-  version: 3.7
+  version: 3.6.5
+  pip_install: true
   install:
     - requirements: docs/requirements.txt