diff --git a/requirements.txt b/requirements.txt
index 3109050..7b146b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ chardet==4.0.0
 idna==3.1
 Jinja2==2.11.3
 kinto-http==10.7.0
-lxml==4.6.2
+lxml==4.6.3
 MarkupSafe==1.1.1
 python-dateutil==2.8.1
 requests==2.25.1