diff --git a/requirements.txt b/requirements.txt
index 6a5323f37c8..0654da34198 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,6 +34,7 @@ osprofiler>=1.4.0 # Apache-2.0
 paramiko>=2.0.0 # LGPLv2.1+
 Paste # MIT
 PasteDeploy>=1.5.0 # MIT
+PrettyTable>=0.7.1,<0.8  # BSD
 psutil>=3.2.2 # BSD
 pyparsing>=2.1.0 # MIT
 python-barbicanclient!=4.5.0,!=4.5.1,>=4.0.0 # Apache-2.0