# of appearance. Changing the order has an impact on the overall integration
# process, which may cause wedges in the gate later.
pbr!=2.1.0,>=2.0.0 # Apache-2.0
-PyYAML>=3.10.0 # MIT
-enum34;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
+PyYAML>=3.12 # MIT
+enum34>=1.0.4;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
requests>=2.14.2 # Apache-2.0
robotframework>=3.0
-mock>=2.0 # BSD
+mock>=2.0.0 # BSD
PrettyTable<0.8,>=0.7.1 # BSD
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT