diff --git a/requirements.txt b/requirements.txt
index df42315..127c235 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +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>=0.6,!=0.7,<1.0
+pbr>=0.11,<2.0
 
 Babel>=1.3
 cliff>=1.10.0  # Apache-2.0