diff --git a/requirements.txt b/requirements.txt
index 836f86c..cf70983 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ itsdangerous==1.1.0
 jieba3k==0.35.1
 Jinja2==2.10.3
 jws==0.1.3
-lxml==4.4.2
+lxml==4.9.1
 MarkupSafe==1.1.1
 newspaper3k==0.2.8
 nltk==3.4.5