diff --git a/mistralclient/api/listeners.py b/mistralclient/api/listeners.py
index 92480c7b..40b8ae13 100644
--- a/mistralclient/api/listeners.py
+++ b/mistralclient/api/listeners.py
@@ -40,7 +40,7 @@ class ListenerManager(base.ResourceManager):
 
     def update(self, workbook_name, id, webhook=None, description=None,
                events=None):
-        #TODO: need to describe what events is
+        # TODO: need to describe what events is
         self._ensure_not_empty(workbook_name=workbook_name, id=id)
 
         data = {
diff --git a/requirements.txt b/requirements.txt
index cab3885b..84af7063 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 pbr>=0.6,!=0.7,<1.0
 requests>=1.1
-python-keystoneclient>=0.7.0
-cliff>=1.4.3
+python-keystoneclient>=0.9.0
+cliff>=1.6.0
diff --git a/test-requirements.txt b/test-requirements.txt
index e73a995c..601ed362 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,11 +1,11 @@
-pep8==1.4.5
-pyflakes>=0.7.2,<0.7.4
-flake8==2.0
+pep8==1.5.7
+pyflakes==0.8.1
+flake8==2.1.0
 pylint==0.25.2
-sphinx>=1.1.2
+sphinx>=1.1.2,!=1.2.0,<1.3
 unittest2
 fixtures>=0.3.14
 mock>=1.0
 nose
-testtools>=0.9.32
-lockfile>=0.9.1
+testtools>=0.9.34
+lockfile>=0.8