diff --git a/requirements.txt b/requirements.txt
index 211f9c5..7ddcc2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 altgraph==0.17
 docx==0.2.4
-lxml==4.5.0
+lxml==4.9.1
 macholib==1.14
 Pillow==7.0.0
 PyInstaller==3.6