diff --git a/requirements.txt b/requirements.txt
index dfbef5e..0f4d0c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-lxml==4.9.2
+lxml==6.1.0
 pylint==2.17.0
 pytest==7.2.2
 isodate==0.7.2
\ No newline at end of file