diff --git a/.readthedocs.yml b/.readthedocs.yml
index 45ffcf55..c3b51da2 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,7 +1,7 @@
 version: 2
 
 build:
-  os: ubuntu-20.04
+  os: ubuntu-24.04
   apt_packages:
     - graphviz
   tools: