diff --git a/requirements.txt b/requirements.txt
index acdc1e9..4fb5beb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ enum34==1.1.6
 extruct==0.1.0
 idna==2.1
 ipaddress==1.0.16
-lxml==3.6.0
+lxml==4.6.5
 parsel==1.0.2
 ply==3.8
 pyasn1==0.1.9