diff --git a/requirements.txt b/requirements.txt
index ba9c30a..e1d8b1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ html2text==2018.1.9
 idna==2.6
 itsdangerous==0.24
 Jinja2==2.10
-lxml==4.1.1
+lxml==4.6.5
 MarkupSafe==1.0
 PyMySQL==0.8.1
 Pillow==5.0.0