diff --git a/requirements.txt b/requirements.txt
index f5332af..eb2728f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+pbr>=0.5.21,<1.0
 gear
 python-swiftclient
 
diff --git a/setup.py b/setup.py
index 53e4fc4..536855f 100755
--- a/setup.py
+++ b/setup.py
@@ -17,4 +17,4 @@
 
 import setuptools
 
-setuptools.setup(setup_requires=['d2to1', 'pbr'], d2to1=True)
+setuptools.setup(setup_requires=['pbr'], pbr=True)