diff --git a/doc/conf.py b/doc/conf.py
index d9c9a67..5dc2bd9 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -28,7 +28,7 @@
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = []
+extensions = ["sphinx.ext.autodoc"]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']