diff --git a/ui/requirements.txt b/ui/requirements.txt
index 9ba1204e..de4ee4b7 100644
--- a/ui/requirements.txt
+++ b/ui/requirements.txt
@@ -1,9 +1,9 @@
-werkzeug
-jinja2
-wtforms
-sqlalchemy
-python-memcached
-flask
-flask-login
-flask-sqlalchemy
-pyserial
+werkzeug==0.12.2
+jinja2==2.9.6
+wtforms==2.1
+sqlalchemy==1.1.14
+python-memcached==1.58
+flask==0.12.2
+flask-login==0.4.0
+flask-sqlalchemy==2.2
+pyserial==3.4