diff --git a/test-requirements.txt b/test-requirements.txt
index d638237..b0f04ea 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,7 +8,7 @@ fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0 # BSD
 oslotest>=1.10.0 # Apache-2.0
 requests-mock>=1.1 # Apache-2.0
-sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
+sphinx>=1.5.1 # BSD
 os-testr>=0.8.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT