diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index c72f25fdf8..fa767d301e 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -7,9 +7,9 @@ version: 2
 
 # Set the version of Python and other tools you might need
 build:
-  os: ubuntu-24.04
+  os: ubuntu-22.04
   tools:
-    python: "3"
+    python: "3.9"
   commands:
     - bash docs/readthedocs/build.bash