diff --git a/doc/requirements.txt b/doc/requirements.txt
index 9c3cd414e..34d55413b 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -10,4 +10,4 @@ eventlet
 anyjson>=0.3.1
 Flask==0.9
 sphinxcontrib-httpdomain
-pymongo==2.2.1
+pymongo>=2.2.1
diff --git a/tools/pip-requires b/tools/pip-requires
index 5ab01b7aa..7061f7f71 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -6,6 +6,7 @@ netaddr
 argparse
 SQLAlchemy>=0.7.3,<=0.7.9
 sqlalchemy-migrate>=0.7.2
+pymongo>=2.2.1
 eventlet
 anyjson>=0.3.1
 Flask==0.9