diff --git a/docs/source/conf.py b/docs/source/conf.py
index 659669b3..6fe0d231 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -79,7 +79,7 @@ pygments_style = None
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = "classic"
+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