diff --git a/requirements.txt b/requirements.txt
index 5e070f0..3ab7470 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 configparser==3.7.4
-lxml==4.3.2
+lxml==4.6.5
 parse==1.11.1
 requests==2.21.0
 xmltodict==0.12.0