diff --git a/requirements.txt b/requirements.txt
index 6968a53..6295338 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,10 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-cliff>=2.2.0 # Apache-2.0
+cliff>=2.3.0 # Apache-2.0
 osc-lib>=1.2.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
-pbr>=1.6 # Apache-2.0
+pbr>=1.8 # Apache-2.0
 python-keystoneclient>=3.6.0 # Apache-2.0
 PyYAML>=3.10.0 # MIT
 requests>=2.10.0 # Apache-2.0