diff --git a/requirements.txt b/requirements.txt
index 5f90455d3e..eac49c51df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,6 +46,8 @@ distro>=1.2.0 # Apache-2.0
 jsonschema>=2.6.0 # MIT
 debtcollector>=1.19.0 # Apache-2.0
 octavia-lib>=1.3.1 # Apache-2.0
+netaddr>=0.7.19 # BSD
+simplejson>=3.13.2 # MIT
 
 #for the amphora api
 Flask!=0.11,>=0.10 # BSD
@@ -54,3 +56,4 @@ ipaddress>=1.0.17;python_version<'3.3' # PSF
 cryptography>=2.1 # BSD/Apache-2.0
 pyroute2>=0.4.21;sys_platform!='win32' # Apache-2.0 (+ dual licensed GPL2)
 gunicorn>=19.0.0 # MIT
+Werkzeug>=0.14.1 # BSD License