diff --git a/requirements.txt b/requirements.txt
index e398ece..4a351da 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 future==0.16.0
-lxml==4.6.2
+lxml==4.9.1
 Pillow==8.3.2
 requests>=2.20.0
 six==1.10.0