diff --git a/.readthedocs.yml b/.readthedocs.yml
index 6064a5f..e24bf6f 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,6 +1,8 @@
 version: 2
 sphinx:
   configuration: docs/source/conf.py
+  install:
+    - requirements: requirements.txt
 
 python:
   version: 3