diff --git a/.readthedocs.yml b/.readthedocs.yml
index 9cd4bdfc4..6302ad680 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -3,8 +3,12 @@ version: 2
 sphinx:
   configuration: docs-sphinx/conf.py
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: '3.8'
+
 python:
-  version: 3.7
   install:
     - requirements: docs-sphinx/requirements.txt
     - method: pip
diff --git a/docs-sphinx/requirements.txt b/docs-sphinx/requirements.txt
index edca8ad78..bbff055f0 100644
--- a/docs-sphinx/requirements.txt
+++ b/docs-sphinx/requirements.txt
@@ -1 +1,2 @@
 sphinx>=2.4.4
+sphinx-rtd-theme