diff --git a/doc/conf.py b/doc/conf.py
index 2d64d98..6fb61f9 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -23,4 +23,4 @@
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
-html_theme = 'classic'
+html_theme = 'haiku'