diff --git a/requirements.txt b/requirements.txt
index 954ac38b04..945ee41523 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@
 # be installed in a specific order.
 #
 # PBR should always appear first
-pbr>=0.6,!=0.7,<1.0
+pbr>=0.11,<2.0
 # Horizon Core Requirements
 Babel>=1.3
 Django>=1.4.2,<1.8