diff --git a/requirements.txt b/requirements.txt
index b091836..b2df5a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ Jinja2==2.10
 jinja2-time==0.2.0
 lockfile==0.12.2
 lru-dict==1.1.6
-lxml==4.2.3
+lxml==4.6.2
 MarkupSafe==1.0
 mnemonic==0.18
 pager==3.3