diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 2cf4b33..1dfd8b3 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -9,6 +9,7 @@ build:
 
 python:
   install:
-    - ["sphinx-rtd-theme"]
+    - method: pip
+      path: sphinx-rtd-theme
 sphinx:
   configuration: docs/conf.py