diff --git a/requirements.txt b/requirements.txt
index 4f6a1d3..cd11aa7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,9 +5,9 @@
 jsonschema>=1.3.0,!=1.4.0
 testtools>=0.9.32
 lxml>=2.3
-boto>=2.4.0,!=2.13.0
+boto>=2.12.0,!=2.13.0
 paramiko>=1.8.0
-netaddr
+netaddr>=0.7.6
 python-glanceclient>=0.9.0
 python-keystoneclient>=0.4.1
 python-novaclient>=2.15.0
@@ -20,5 +20,5 @@
 oslo.config>=1.2.0
 eventlet>=0.13.0
 six>=1.4.1
-iso8601>=0.1.4
+iso8601>=0.1.8
 fixtures>=0.3.14
diff --git a/test-requirements.txt b/test-requirements.txt
index 5cdb819..9486244 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,7 @@
 hacking>=0.8.0,<0.9
 # needed for doc build
 docutils==0.9.1
-sphinx>=1.1.2
+sphinx>=1.1.2,<1.2
 python-subunit
 oslo.sphinx
 mox>=0.5.3