diff --git a/requirements.txt b/requirements.txt
index b6a93fe4..09174c79 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,8 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
+pbr>=0.6,!=0.7,<1.0
+
 stevedore>=1.1.0  # Apache-2.0
 netaddr>=0.7.12