diff --git a/requirements.txt b/requirements.txt
index affe7fa..b35547b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@ python-daemon==2.1.2
 requests==2.13.0
 pandas==0.22.0
 beautifulsoup4==4.6.0
-lxml==4.1.1
+lxml==4.9.1
 xlrd==1.1.0
 sqlalchemy==1.1.13
\ No newline at end of file