diff --git a/labelImg/requirements/requirements-linux-python3.txt b/labelImg/requirements/requirements-linux-python3.txt
index 787a7fd..0467dcf 100644
--- a/labelImg/requirements/requirements-linux-python3.txt
+++ b/labelImg/requirements/requirements-linux-python3.txt
@@ -1,2 +1,2 @@
 pyqt5==5.10.1
-lxml==4.2.4
+lxml==4.9.1