diff --git a/requirements.txt b/requirements.txt
index 2880bbf..f44b586 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Flask==1.1.1
 beautifulsoup4==4.4.1
-lxml==4.6.5
+lxml==4.9.1
 requests==2.21.0
 python-dotenv==0.10.3
 google-api-python-client==1.7.11