diff --git a/requirements.txt b/requirements.txt
index 755156af0f..2e5d470ca2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 d2to1>=0.2.10,<0.3
-pbr>=0.5,<0.6
+pbr>=0.5.13,<0.6
 SQLAlchemy>=0.7.8,<0.7.99
 amqplib>=0.6.1
 anyjson>=0.2.4