diff --git a/glanceclient/common/utils.py b/glanceclient/common/utils.py
index 48f6b774..1b792314 100644
--- a/glanceclient/common/utils.py
+++ b/glanceclient/common/utils.py
@@ -38,7 +38,7 @@ def pretty_choice_list(l):
 
 def print_list(objs, fields, formatters={}):
     pt = prettytable.PrettyTable([f for f in fields], caching=False)
-    pt.aligns = ['l' for f in fields]
+    pt.align = 'l'
 
     for o in objs:
         row = []
diff --git a/tools/pip-requires b/tools/pip-requires
index 6a833228..6fa319be 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -1,5 +1,5 @@
 argparse
 httplib2
-prettytable
+prettytable==0.6
 
 https://github.com/openstack/python-keystoneclient/zipball/master#egg=python-keystoneclient