diff --git a/requirements.txt b/requirements.txt
index 476663e9a8..ec57d2c7b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Jinja2>=2.6             # ansible
 netaddr>=0.7.12         # playbooks/inventory/dynamic_inventory.py
 paramiko>=1.13.0        # ansible
-pip>=6.0
+pip>7,<8                # ansible
 PrettyTable>=0.7,<0.8   # scripts/inventory-manage.py
 pycrypto>=2.6           # ansible
 PyYAML>=3.1.0           # ansible