diff --git a/molecule-requirements.txt b/molecule-requirements.txt
index aae2cbfd0..d7d403ba8 100644
--- a/molecule-requirements.txt
+++ b/molecule-requirements.txt
@@ -10,7 +10,7 @@ mock
 molecule>=2.22rc1
 
 # this is required for the docs build jobs
-sphinx>=2.0.0 # BSD
+sphinx
 openstackdocstheme>=1.29.2 # Apache-2.0
 reno>=2.11.3 # Apache-2.0
 doc8>=0.8.0 # Apache-2.0