Fix cmd2 issue
diff --git a/requirements.txt b/requirements.txt
index 505fbb5..eb04d44 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,6 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
+cmd2<0.9.0
 pbr>=1.6
 cliff>=1.4.5