diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 2c7ecde1..8425952e 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -22,3 +22,4 @@ python:
   install:
     - method: pip
       path: .
+    - requirements: doc-requirements.txt
diff --git a/doc-requirements.txt b/doc-requirements.txt
index 4c24a18f..59709ec7 100644
--- a/doc-requirements.txt
+++ b/doc-requirements.txt
@@ -1,5 +1 @@
--e git+https://github.com/ckan/ckan#egg=ckan
--r https://raw.githubusercontent.com/ckan/ckan/master/requirements.txt
--r requirements.txt
-sphinx==5.1.1
-sphinx-rtd-theme==1.0.0
+sphinx-rtd-theme==2.0.0