diff --git a/.readthedocs.yml b/.readthedocs.yml
index bfa5340f..23cc3549 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -7,3 +7,7 @@ build:
 
 sphinx:
     configuration: doc/conf.py
+
+python:
+    install:
+    - requirements: doc/requirements.txt