diff --git a/.readthedocs.yml b/.readthedocs.yml
index 48949cd..9faa67b 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -25,4 +25,4 @@ python:
     - requirements: doc/requirements.txt
     - method: pip
       path: .
-  system_packages: true
+  system_packages: false