diff --git a/requirements.txt b/requirements.txt
index ef88625..1008747 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ et-xmlfile==1.0.1
 idna==2.6
 jdcal==1.3
 kombu==4.1.0
-lxml==4.0.0
+lxml==4.6.5
 mysqlclient==1.3.12
 openpyxl==2.4.8
 pytz==2017.2