diff --git a/requirements.txt b/requirements.txt
index 0545818048..878a0e7ff8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ humanfriendly==9.0
 jinja2==2.11.2
 jwcrypto==0.8
 keyring==21.5.0
-lxml==4.6.2
+lxml==4.9.2
 MarkupSafe==1.1.1
 pycparser==2.20
 pydantic==1.7.3