diff --git a/requirements.txt b/requirements.txt
index 21ae74a..8570146 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ requests==2.12.2
 python-nmap==0.6.1
 whichcraft==0.4.1
 pyvirtualdisplay==0.2.1
+lxml==3.7.3