diff --git a/requirements.txt b/requirements.txt
index 271586a..00b95f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Flask-WTF==0.14.3
 idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.2
-lxml==4.5.2
+lxml==4.6.3
 MarkupSafe==1.1.1
 Pillow==7.2.0
 pycparser==2.20