diff --git a/requirements.txt b/requirements.txt
index 6951af5..4712ddd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ et-xmlfile==1.1.0
 gunicorn==21.2.0
 idna==3.4
 isodate==0.6.1
-lxml==4.9.3
+lxml==4.9.4
 mysqlclient==2.2.0
 openpyxl==3.1.2
 pycparser==2.21