diff --git a/requirements.txt b/requirements.txt
index 426002dc..6a3271b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
+pbr>=1.8.0,<1.9.0
 PyYAML>=3.1.0
 simplejson>=2.2.0
 netifaces>=0.10.4