diff --git a/parser/requirements.txt b/parser/requirements.txt
index ee0673e..75d9fd0 100644
--- a/parser/requirements.txt
+++ b/parser/requirements.txt
@@ -10,7 +10,7 @@ idna==2.8
 itsdangerous==1.1.0
 jieba3k==0.35.1
 Jinja2==2.10.3
-lxml==4.4.2
+lxml==4.9.1
 MarkupSafe==1.1.1
 newspaper3k==0.2.8
 nltk==3.4.5