# 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.
-pbr>=1.6 # Apache-2.0
-Babel>=1.3 # BSD
-cliff!=1.16.0,!=1.17.0,>=1.15.0 # Apache-2.0
-PyYAML>=3.1.0 # MIT
+pbr!=2.1.0,>=2.0.0 # Apache-2.0
+Babel!=2.4.0,>=2.3.4 # BSD
+cliff>=2.6.0 # Apache-2.0
+PyYAML>=3.10.0 # MIT
python-dateutil>=2.4.2 # BSD
six>=1.9.0 # MIT
+requests>=2.14.2 # Apache-2.0