diff --git a/requirements.txt b/requirements.txt
index 1bcb0ea..6d66f17 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ SQLAlchemy==0.9.1
 Scrapy==0.20.2
 Twisted==13.2.0
 cssselect==0.9.1
-lxml==3.2.5
+lxml==4.9.1
 pyOpenSSL==0.13.1
 pymongo==2.6.3
 queuelib==1.1.1