diff --git a/gh-pages-template/.readthedocs.yaml b/gh-pages-template/.readthedocs.yaml
index 681f205..56a2de8 100644
--- a/gh-pages-template/.readthedocs.yaml
+++ b/gh-pages-template/.readthedocs.yaml
@@ -7,7 +7,7 @@ version: 2
 build:
   os: ubuntu-24.04
   tools:
-    ruby: "3.3"
+    ruby: "3.4.10"
   apt_packages:
     - 7zip
     - jq