diff --git a/requirements.txt b/requirements.txt
index 376c38d5..2108d631 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ glyphsLib==5.1.11
 idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.2
-lxml==4.5.2
+lxml==4.6.5
 MarkupSafe==1.1.1
 opentype-sanitizer==8.0.0.post2
 Pillow==7.2.0