diff --git a/test-requirements.txt b/test-requirements.txt
index 1490e853e7..437444ec3c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,7 +9,7 @@ hacking<0.12,>=0.11.0 # Apache-2.0
 beautifulsoup4 # MIT
 Jinja2>=2.8 # BSD License (3 clause)
 openstack-doc-tools>=1.1.0 # Apache-2.0
-sphinx!=1.3b1,<1.3,>=1.2.1 # BSD
+sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
 openstackdocstheme>=1.5.0 # Apache-2.0
 doc8 # Apache-2.0
 requestsexceptions>=1.1.1 # Apache-2.0