diff --git a/setup.cfg b/setup.cfg
index ed1ea35e18..f83ef7e0f3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -94,8 +94,9 @@ ansible =
 ansible-base =
     ansible-base >= 2.10
 docs =
-    simplejson
-    Sphinx
+    Sphinx >= 4.0.2
+    simplejson >= 3.17.2
+    sphinx-notfound-page >= 0.7.1
     sphinx_ansible_theme >= 0.2.2
 docker =
     molecule-docker