diff --git a/test-requirements.txt b/test-requirements.txt
index 96410b9..4d6b1bf 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -21,3 +21,5 @@ os-testr>=0.8.0 # Apache-2.0
 tempest-lib>=0.14.0 # Apache-2.0
 ddt>=1.0.1 # MIT
 pylint==1.4.5 # GPLv2
+docutils>=0.11,!=0.13.1  # OSI-Approved Open Source, Public Domain
+