diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 3d17d6f67e92..a47aa01b11e5 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -8,10 +8,7 @@ build:
 
 python:
   install:
-    - method: pip
-      path: .
-      extra_requirements:
-        - sphinx-rtd-theme
+    - requirements: doc/userguide/requirements.txt
 
 sphinx:
   builder: html
diff --git a/doc/userguide/requirements.txt b/doc/userguide/requirements.txt
new file mode 100644
index 000000000000..483a4e9600bd
--- /dev/null
+++ b/doc/userguide/requirements.txt
@@ -0,0 +1 @@
+sphinx_rtd_theme