diff --git a/setup.py b/setup.py
index 9793b3b..7d2c778 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
         ],
         'docs': [
             'sphinx>=2.2,<3.5',
-            'sphinx-autobuild>=0.7,<2020.10',
+            'sphinx-autobuild>=0.7,<2021.4',
             'sphinx_rtd_theme>=0.4,<0.6',
         ]
     },