diff --git a/requirements.txt b/requirements.txt
index 14ce110..66b9ce0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ cssselect==1.0.3
 enum34==1.1.6
 idna==2.8
 ipaddress==1.0.22
-lxml==4.3.1
+lxml==4.6.3
 Pillow
 pycparser==2.19
 pyOpenSSL==19.0.0