diff --git a/requirements.txt b/requirements.txt
index 8ad53f6f..fa532068 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ oslo.service>=1.10.0 # Apache-2.0
 oslo.utils>=3.18.0 # Apache-2.0
 Paste # MIT
 PasteDeploy>=1.5.0 # MIT
-pbr<2.0.0,>=1.8 # Apache-2.0
+pbr>=1.8 # Apache-2.0
 keystoneauth1>=2.18.0 # Apache-2.0
 python-cinderclient!=1.7.0,!=1.7.1,>=1.6.0 # Apache-2.0
 python-glanceclient>=2.5.0 # Apache-2.0