diff --git a/modules/sync/requirements.txt b/modules/sync/requirements.txt
index 6ca4c5dd..f84cb253 100644
--- a/modules/sync/requirements.txt
+++ b/modules/sync/requirements.txt
@@ -1,5 +1,5 @@
 cssselect==0.9.2
-lxml==3.6.1
+lxml==4.6.2
 Markdown==2.6.6
 Pillow==6.2.0
 pymongo==3.3.0