diff --git a/requirements.txt b/requirements.txt
index 61434a7..4e66a35 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 click==7.1.2
-lxml==4.6.5
+lxml==4.9.1
 numpy==1.20.2
 Pillow==9.0.1
 pydantic==1.8.2