diff --git a/requirements.txt b/requirements.txt
index 72e1327..87a06ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 requests==2.21.0
-lxml==4.2.5
+lxml==4.6.2
 SQLAlchemy==1.2.15
 jieba==0.39
 PyMySQL==0.9.2