diff --git a/requirements.txt b/requirements.txt
index 3096e38..dc0cb9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,7 @@ django-bootstrap-form==3.2.1
 django-cors-headers==2.1.0
 django-extensions==1.8.1
 django-phonenumber-field==1.3.0
+phonenumbers==8.6.0
 gunicorn==19.7.1
 mysqlclient==1.3.10
 pyldap==2.4.37