diff --git a/requirements.txt b/requirements.txt
index 5079916..cf8b825 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ Jinja2==3.1.2
 jnius==1.1.0
 keyring==23.5.0
 lockfile==0.12.2
-lxml==4.8.0
+lxml==4.9.1
 numpy==1.22.2
 oauth2client==4.1.3
 ordereddict==1.1