diff --git a/setup.py b/setup.py
index 1e9882df0ed..b3e85a7150c 100644
--- a/setup.py
+++ b/setup.py
@@ -17,5 +17,5 @@
 import setuptools
 
 setuptools.setup(
-    setup_requires=['d2to1>=0.2.10,<0.3', 'pbr>=0.5,<0.6'],
+    setup_requires=['d2to1>=0.2.10,<0.3', 'pbr>=0.5.10,<0.6'],
     d2to1=True)
diff --git a/tools/pip-requires b/tools/pip-requires
index 3a2357c02b1..5caaa29bd6e 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -1,5 +1,5 @@
 d2to1>=0.2.10,<0.3
-pbr>=0.5,<0.6
+pbr>=0.5.10,<0.6
 amqplib>=0.6.1
 anyjson>=0.2.4
 argparse