diff --git a/monasca_notification/common/repositories/mysql/mysql_repo.py b/monasca_notification/common/repositories/mysql/mysql_repo.py
index fbc6974..379e857 100644
--- a/monasca_notification/common/repositories/mysql/mysql_repo.py
+++ b/monasca_notification/common/repositories/mysql/mysql_repo.py
@@ -17,6 +17,9 @@ import pymysql
 from monasca_notification.common.repositories.base import base_repo
 from monasca_notification.common.repositories import exceptions as exc
 
+import six
+
+
 log = logging.getLogger(__name__)
 
 
@@ -49,7 +52,7 @@ class MysqlRepo(base_repo.BaseRepo):
             self._mysql = pymysql.connect(host=self._mysql_host,
                                           port=self._mysql_port,
                                           user=self._mysql_user,
-                                          passwd=unicode(self._mysql_passwd).encode('utf-8'),
+                                          passwd=six.text_type(self._mysql_passwd).encode('utf-8'),
                                           db=self._mysql_dbname,
                                           ssl=self._mysql_ssl,
                                           use_unicode=True,
diff --git a/monasca_notification/notification.py b/monasca_notification/notification.py
index 1a8b705..d8a9ae4 100644
--- a/monasca_notification/notification.py
+++ b/monasca_notification/notification.py
@@ -52,7 +52,7 @@ class Notification(object):
              retry_count - number of times we've tried to send
              alarm - info that caused the notification
              notifications that come after this one to remain uncommitted.
-             Note that data may include unicode strings.
+             Note that data may include six.text_type strings.
         """
         self.id = id
         self.address = address
diff --git a/monasca_notification/plugins/hipchat_notifier.py b/monasca_notification/plugins/hipchat_notifier.py
index c1ca082..30273ca 100644
--- a/monasca_notification/plugins/hipchat_notifier.py
+++ b/monasca_notification/plugins/hipchat_notifier.py
@@ -15,10 +15,12 @@
 
 import json
 import requests
-import urlparse
 
 from monasca_notification.plugins import abstract_notifier
 
+from six.moves import urllib
+
+
 """
    notification.address = https://hipchat.hpcloud.net/v2/room/<room_id>/notification?auth_token=432432
 
@@ -88,11 +90,11 @@ class HipChatNotifier(abstract_notifier.AbstractNotifier):
         """
 
         hipchat_message = self._build_hipchat_message(notification)
-        parsed_url = urlparse.urlsplit(notification.address)
+        parsed_url = urllib.parse.urlsplit(notification.address)
 
-        query_params = urlparse.parse_qs(parsed_url.query)
+        query_params = urllib.parse.parse_qs(parsed_url.query)
         # URL without query params
-        url = urlparse.urljoin(notification.address, urlparse.urlparse(notification.address).path)
+        url = urllib.parse.urljoin(notification.address, urllib.parse.urlparse(notification.address).path)
 
         # Default option is to do cert verification
         verify = self._config.get('insecure', False)
diff --git a/monasca_notification/plugins/jira_notifier.py b/monasca_notification/plugins/jira_notifier.py
index 02a6bcd..f5843cc 100644
--- a/monasca_notification/plugins/jira_notifier.py
+++ b/monasca_notification/plugins/jira_notifier.py
@@ -16,11 +16,13 @@
 from jinja2 import Template
 import jira
 import json
-import urlparse
 import yaml
 
 from monasca_notification.plugins.abstract_notifier import AbstractNotifier
 
+from six.moves import urllib
+
+
 """
    Note:
      This plugin doesn't support multi tenancy. Multi tenancy requires support for
@@ -149,10 +151,10 @@ class JiraNotifier(AbstractNotifier):
 
         jira_fields = self._build_jira_message(notification)
 
-        parsed_url = urlparse.urlsplit(notification.address)
-        query_params = urlparse.parse_qs(parsed_url.query)
+        parsed_url = urllib.parse.urlsplit(notification.address)
+        query_params = urllib.parse.parse_qs(parsed_url.query)
         # URL without query params
-        url = urlparse.urljoin(notification.address, urlparse.urlparse(notification.address).path)
+        url = urllib.parse.urljoin(notification.address, urllib.parse.urlparse(notification.address).path)
 
         jira_fields["project"] = query_params["project"][0]
         if query_params.get("component"):
diff --git a/monasca_notification/plugins/slack_notifier.py b/monasca_notification/plugins/slack_notifier.py
index 96af33a..ca5493b 100644
--- a/monasca_notification/plugins/slack_notifier.py
+++ b/monasca_notification/plugins/slack_notifier.py
@@ -15,10 +15,12 @@
 
 import json
 import requests
-import urlparse
 
 from monasca_notification.plugins import abstract_notifier
 
+from six.moves import urllib
+
+
 """
    notification.address = https://slack.com/api/chat.postMessage?token=token&channel=#channel"
 
@@ -77,10 +79,10 @@ class SlackNotifier(abstract_notifier.AbstractNotifier):
         #  Slack room has "#" as first character
         address = address.replace("#", "%23")
 
-        parsed_url = urlparse.urlsplit(address)
-        query_params = urlparse.parse_qs(parsed_url.query)
+        parsed_url = urllib.parse.urlsplit(address)
+        query_params = urllib.parse.parse_qs(parsed_url.query)
         # URL without query params
-        url = urlparse.urljoin(address, urlparse.urlparse(address).path)
+        url = urllib.parse.urljoin(address, urllib.parse.urlparse(address).path)
 
         # Default option is to do cert verification
         verify = self._config.get('insecure', False)
diff --git a/test-requirements.txt b/test-requirements.txt
index 9f4701f..1906a6c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,3 +10,5 @@ funcsigs>=0.4;python_version=='2.7' or python_version=='2.6' # Apache-2.0
 os-testr>=0.8.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 SQLAlchemy!=1.1.5,!=1.1.6,!=1.1.7,!=1.1.8,>=1.0.10 # MIT
+PyMySQL>=0.7.6  # MIT License
+psycopg2>=2.5  # LGPL/ZPL
diff --git a/tests/test_email_notification.py b/tests/test_email_notification.py
index 7bacebd..66e5952 100644
--- a/tests/test_email_notification.py
+++ b/tests/test_email_notification.py
@@ -19,10 +19,12 @@ import socket
 import time
 import unittest
 
+import six
+
 from monasca_notification.notification import Notification
 from monasca_notification.plugins import email_notifier
 
-UNICODE_CHAR = unichr(2344)
+UNICODE_CHAR = six.unichr(2344)
 UNICODE_CHAR_ENCODED = UNICODE_CHAR.encode("utf-8")
 
 
diff --git a/tests/test_hipchat_notification.py b/tests/test_hipchat_notification.py
index 952fdaa..a9500e7 100644
--- a/tests/test_hipchat_notification.py
+++ b/tests/test_hipchat_notification.py
@@ -13,12 +13,18 @@
 
 import json
 import mock
-import Queue
 import unittest
 
+import six
+
 from monasca_notification import notification as m_notification
 from monasca_notification.plugins import hipchat_notifier
 
+if six.PY2:
+    import Queue as queue
+else:
+    import queue
+
 
 def alarm(metrics):
     return {"tenantId": "0",
@@ -43,7 +49,7 @@ class requestsResponse(object):
 
 class TestHipchat(unittest.TestCase):
     def setUp(self):
-        self.trap = Queue.Queue()
+        self.trap = queue.Queue()
         self.hipchat_config = {'timeout': 50}
 
     def tearDown(self):
diff --git a/tests/test_pagerduty_notification.py b/tests/test_pagerduty_notification.py
index 1222292..a9a3583 100644
--- a/tests/test_pagerduty_notification.py
+++ b/tests/test_pagerduty_notification.py
@@ -15,14 +15,20 @@
 
 import json
 import mock
-import Queue
 import requests
 import time
 import unittest
 
+import six
+
 from monasca_notification import notification as m_notification
 from monasca_notification.plugins import pagerduty_notifier
 
+if six.PY2:
+    import Queue as queue
+else:
+    import queue
+
 
 def alarm(metrics):
     return {"tenantId": "0",
@@ -45,7 +51,7 @@ class requestsResponse(object):
 
 class TestWebhook(unittest.TestCase):
     def setUp(self):
-        self.trap = Queue.Queue()
+        self.trap = queue.Queue()
         self.pagerduty_config = {'timeout': 50, 'key': 'foobar'}
 
     def tearDown(self):
diff --git a/tests/test_webhook_notification.py b/tests/test_webhook_notification.py
index d16ab1c..4fac225 100644
--- a/tests/test_webhook_notification.py
+++ b/tests/test_webhook_notification.py
@@ -15,13 +15,19 @@
 
 import json
 import mock
-import Queue
 import requests
 import unittest
 
+import six
+
 from monasca_notification import notification as m_notification
 from monasca_notification.plugins import webhook_notifier
 
+if six.PY2:
+    import Queue as queue
+else:
+    import queue
+
 
 def alarm(metrics):
     return {"tenantId": "0",
@@ -46,7 +52,7 @@ class requestsResponse(object):
 
 class TestWebhook(unittest.TestCase):
     def setUp(self):
-        self.trap = Queue.Queue()
+        self.trap = queue.Queue()
         self.webhook_config = {'timeout': 50}
 
     def tearDown(self):
diff --git a/tox.ini b/tox.ini
index a9976c0..b1650e6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist = {py27,py35,pypy}-{mysql,postgres},pep8,cover
-minversion = 2.1
+minversion = 2.5
 skipsdist = True
 
 [testenv]
@@ -22,29 +22,12 @@ whitelist_externals = bash
                       rm
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-       PyMySQL>=0.6.1
 commands =
  find . -type f -name "*.pyc" -delete
+ rm -Rf .testrepository/times.dbm
  ostestr {posargs}
 
-[testenv:py27-postgres]
-deps = -r{toxinidir}/requirements.txt
-       -r{toxinidir}/test-requirements.txt
-       psycopg2>=2.5
-
-[testenv:py35-postgres]
-deps = -r{toxinidir}/requirements.txt
-       -r{toxinidir}/test-requirements.txt
-       psycopg2>=2.5
-
-[testenv:pypy-postgres]
-deps = -r{toxinidir}/requirements.txt
-       -r{toxinidir}/test-requirements.txt
-       psycopg2>=2.5
-
 [testenv:cover]
-basepython = python2.7
-deps = {[testenv]deps}
 commands =
   {[testenv]commands}
   coverage erase
@@ -56,18 +39,20 @@ commands =
   oslo_debug_helper -t ./monasca_notification/tests {posargs}
 
 [testenv:pep8]
-deps =
-  {[testenv]deps}
 commands =
   {[testenv:flake8]commands}
-  {[bandit]commands}
+  {[testenv:bandit]commands}
 
 [testenv:venv]
 commands = {posargs}
 
 [testenv:flake8]
 commands =
-    flake8 monasca_notification
+  flake8 monasca_notification
+
+[testenv:bandit]
+commands =
+  bandit -r monasca_notification -n5 -x monasca_notification/tests
 
 [flake8]
 max-line-length = 120
@@ -76,7 +61,3 @@ max-line-length = 120
 # H405  multi line docstring summary not separated with an empty line
 ignore = F821,H201,H405
 exclude=.venv,.git,.tox,dist,*egg,build
-
-[bandit]
-commands =
-  bandit -r monasca_notification -n5 -x monasca_notification/tests