diff --git a/requirements.txt b/requirements.txt
index 1762ad6..f3dfbd9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,7 @@ requests!=2.12.2,>=2.10.0 # Apache-2.0
 python-keystoneclient>=3.8.0 # Apache-2.0
 simplejson>=2.2.0 # MIT
 six>=1.9.0 # MIT
+stevedore>=1.17.1 # Apache-2.0
 Babel>=2.3.4 # BSD
 
 oslo.i18n>=2.1.0 # Apache-2.0