diff --git a/requirements.txt b/requirements.txt
index 25e029a..a454795 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ django-six==1.0.4
 et-xmlfile==1.0.1
 jdcal==1.4
 kombu==4.2.1
-lxml==4.2.4
+lxml==4.6.2
 mysqlclient==1.3.13
 openpyxl==2.5.5
 python-docx==0.8.7