diff --git a/requirements.txt b/requirements.txt
index 240d3f2..1139134 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 requests==2.22.0
-lxml==4.2.3
+lxml==4.9.1
 pymongo==3.7.1
 PyQt5==5.13.1
\ No newline at end of file