diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 1491b2d..81ac795 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-22.04
+  os: ubuntu-24.04
   tools:
-    python: "3.11"
+    python: "3.13"
 
 # Build documentation in the doc/ directory with Sphinx
 sphinx:
diff --git a/doc/conf.py b/doc/conf.py
index 8cb3b38..7a93e7c 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -98,7 +98,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+html_theme = 'alabaster'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the