diff --git a/test-requirements.txt b/test-requirements.txt
index e4d303b..f146031 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@ hacking<0.11,>=0.10.0
 
 coverage>=4.0 # Apache-2.0
 python-subunit>=0.0.18 # Apache-2.0/BSD
-sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
+sphinx>=1.5.1 # BSD
 psycopg2>=2.5 # LGPL/ZPL
 PyMySQL>=0.7.6 # MIT License
 oslosphinx>=4.7.0 # Apache-2.0