diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 393cba875b39464976830e746f347d4d25de2701..5ce3c4d777ffacf08ea0c08f463e97faea76bf71 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -3,6 +3,8 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.9"
-
+python:
+  install:
+    - psutil
 sphinx:
   configuration: docs/conf.py