diff --git a/requirements.txt b/requirements.txt
index 7c081f9..16066f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 pytest==6.0.1
 openpyxl==3.0.5
 beautifulsoup4==4.9.1
-lxml==4.6.2
+lxml==4.9.1