diff --git a/lower-constraints.txt b/lower-constraints.txt
index acee123652..24866cb842 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -140,6 +140,7 @@ tooz==1.58.0
 traceback2==1.4.0
 unittest2==1.1.0
 vine==1.3.0
+virtualbmc==1.4.0
 voluptuous==0.11.7
 waitress==1.4.3
 warlock==1.3.3