diff --git a/requirements.txt b/requirements.txt
index 8a2300e..b277c11 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 python_novaclient>=2.14.1,<2.14.2
+PrettyTable>=0.7,<0.8
 babel
 stevedore
 six>=1.4.1