diff --git a/requirements.txt b/requirements.txt
index 9299d28eb..878be0a54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ drf-writable-nested==0.6.3
 bleach==4.1.0
 bleach-allowlist==1.0.3
 gunicorn==20.1.0
-lxml==4.6.3
+lxml==4.6.4
 Markdown==3.3.6
 Pillow==8.4.0
 psycopg2-binary==2.9.2