diff --git a/requirements.txt b/requirements.txt
index c2c3bfd..57fd8e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ html5lib==1.1
 idna==2.9
 itsdangerous==1.1.0
 Jinja2==2.11.3
-lxml==4.6.3
+lxml==4.6.5
 MarkupSafe==1.1.1
 packaging==20.4
 PyMuPDF==1.17.0