diff --git a/doc/source/conf.py b/doc/source/conf.py
index 2c502bd2140259ccfdffb66fda71f0378118ba7e..48e7f06a83dc70f2337709413fc2147a4769f674 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -37,6 +37,7 @@ release = '1.0'
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
+    'sphinx.ext.autosummary',
     'sphinx.ext.autodoc',
     'sphinx.ext.napoleon',
     'sphinx.ext.coverage',