diff --git a/requirements.txt b/requirements.txt
index 5a8b6ce7c..dae4c5424 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pbr!=2.1.0
+pbr
 numpy>=1.9.0
 iso8601
 oslo.config>=2.7.0