diff --git a/requirements.txt b/requirements.txt
index 1decc3c883..1ae6ccfd19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@
 # in keystone-coverage-db CI job
 Babel>=2.3.4 # BSD
 
-pbr<2.0.0,>=1.8 # Apache-2.0
+pbr>=1.8 # Apache-2.0
 WebOb>=1.6.0 # MIT
 PasteDeploy>=1.5.0 # MIT
 Paste # MIT