diff --git a/requirements.txt b/requirements.txt
index bd0916b726..e0134bc652 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,37 +2,39 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr>=0.11,<2.0
-Babel>=1.3
-requests>=2.5.2
+# Despite above warning added by global sync process, please use
+# ascii betical order.
 
+Babel>=1.3
+PrettyTable>=0.7,<0.8
+PyYAML>=3.1.0
+SQLAlchemy>=0.9.7,<=0.9.99
+WSME>=0.6
+WebOb>=1.2.3
+alembic>=0.7.2
+docker-py>=1.1.0  # Apache-2.0
+eventlet>=0.17.3
+greenlet>=0.3.2
+iso8601>=0.1.9
+jsonpatch>=1.1
+keystonemiddleware>=1.5.0
+netaddr>=0.7.12
 oslo.concurrency>=1.8.0         # Apache-2.0
 oslo.config>=1.11.0  # Apache-2.0
 oslo.context>=0.2.0                     # Apache-2.0
 oslo.db>=1.7.0  # Apache-2.0
+oslo.i18n>=1.5.0  # Apache-2.0
 oslo.messaging>=1.8.0  # Apache-2.0
 oslo.serialization>=1.4.0               # Apache-2.0
 oslo.utils>=1.4.0                       # Apache-2.0
 oslo.versionedobjects>=0.1.1
 paramiko>=1.13.0
+pbr>=0.11,<2.0
 pecan>=0.8.0
-keystonemiddleware>=1.5.0
-oslo.i18n>=1.5.0  # Apache-2.0
+python-glanceclient>=0.17.1
 python-heatclient>=0.3.0
 python-keystoneclient>=1.3.0
-python-glanceclient>=0.17.1
+requests>=2.5.2
 six>=1.9.0
-SQLAlchemy>=0.9.7,<=0.9.99
-taskflow>=0.7.1
-WSME>=0.6
-docker-py>=1.1.0  # Apache-2.0
-jsonpatch>=1.1
-netaddr>=0.7.12
-alembic>=0.7.2
-eventlet>=0.17.3
-iso8601>=0.1.9
 stevedore>=1.3.0  # Apache-2.0
-WebOb>=1.2.3
-greenlet>=0.3.2
-PrettyTable>=0.7,<0.8
-PyYAML>=3.1.0
+taskflow>=0.7.1
diff --git a/test-requirements.txt b/test-requirements.txt
index 12a9b24c8a..9b4447fe26 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,17 +2,19 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking<0.11,>=0.10.0               # Apache-2.0
+# Despite above warning added by global sync process, please use
+# ascii betical order.
 
 coverage>=3.6
 discover
 fixtures>=0.3.14
+hacking<0.11,>=0.10.0               # Apache-2.0
 mock>=1.0
 nose
-python-subunit>=0.0.18
-sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
 oslosphinx>=2.5.0  # Apache-2.0
 oslotest>=1.5.1  # Apache-2.0
+python-subunit>=0.0.18
+sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
 testrepository>=0.0.18
 testscenarios>=0.4
 testtools>=0.9.36,!=1.2.0