diff --git a/requirements.txt b/requirements.txt
index 3913f8f..79ae42e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@
 fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 PyYAML>=3.1.0 # MIT
-stevedore>=1.5.0 # Apache-2.0
+stevedore>=1.9.0 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD
 os-testr>=0.4.1 # Apache-2.0
 urllib3>=1.8.3 # MIT