diff --git a/requirements.txt b/requirements.txt
index 0c626de..a57bd5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,8 @@
 Django==1.9
 Pillow
 telepot
+# for mac address field
+netaddr
 # for testing required xmltodict
 xmltodict
 mysqlclient