diff --git a/link_guru/requirements.txt b/link_guru/requirements.txt
index e016aba..b4780b5 100644
--- a/link_guru/requirements.txt
+++ b/link_guru/requirements.txt
@@ -22,7 +22,7 @@ importlib-metadata==1.6.0; python_version < "3.8" or python_version >= "3.5" and
 importlib-resources==1.5.0; python_version < "3.7"
 jieba3k==0.35.1
 joblib==0.14.1
-lxml==4.6.3
+lxml==4.9.1
 more-itertools==8.2.0; python_version >= "3.5"
 mypy==0.770; python_version >= "3.5" and python_version < "3.8" or python_version >= "3.8"
 mypy-extensions==0.4.3; python_version >= "3.5" and python_version < "3.8" or python_version >= "3.8"