diff --git a/requirements.txt b/requirements.txt
index a989f4e..b353900 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ hyperlink==18.0.0
 idna==2.7
 incremental==17.5.0
 ipaddress==1.0.22
-lxml==4.2.5
+lxml==4.6.3
 parsel==1.5.1
 pyasn1==0.4.4
 pyasn1-modules==0.2.2