diff --git a/docs/source/conf.py b/docs/source/conf.py
index aed890d..f1ff644 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -26,7 +26,8 @@
     'sphinx.ext.napoleon',
     'sphinx.ext.intersphinx',
     'nbsphinx',
-    'sphinx.ext.autosectionlabel'
+    'sphinx.ext.autosectionlabel',
+    'pydata_sphinx_theme'
 ]
 
 autosummary_generate = True