diff --git a/requirements.txt b/requirements.txt
index e2b99ff29f..892e33e142 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-pbr>=0.5.16,<0.6
+pbr>=0.5.21,<1.0
 cliff>=1.4
-keyring
+keyring>=1.6.1
 pycrypto>=2.6
 python-glanceclient>=0.9.0
 python-keystoneclient>=0.3.0
diff --git a/setup.py b/setup.py
index 15f4e9d54a..2a0786a8b2 100644
--- a/setup.py
+++ b/setup.py
@@ -18,5 +18,5 @@
 import setuptools
 
 setuptools.setup(
-    setup_requires=['pbr>=0.5.20'],
+    setup_requires=['pbr>=0.5.21,<1.0'],
     pbr=True)