diff --git a/setup.cfg b/setup.cfg
index 6447aab..7231f87 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -28,6 +28,8 @@ install_requires =
     python-novaclient
     python-neutronclient
     python-swiftclient
+    requests < 3.0
+    simplejson < 4.0
 
 [options.packages.find]
 where = src