diff --git a/.readthedocs.yml b/.readthedocs.yml
index 54a296c29d..2fc118e82d 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -10,5 +10,8 @@ formats:
   - epub
 
 build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
   apt_packages:
     - librsvg2-bin