diff --git a/cfg/requirements.txt b/cfg/requirements.txt
index 32cdeaa..8663d5f 100644
--- a/cfg/requirements.txt
+++ b/cfg/requirements.txt
@@ -1,5 +1,5 @@
 KafNafParserPy==1.89
-lxml==4.6.5
+lxml==4.9.1
 PyYAML==5.4
 requests==2.21.0
 six==1.12.0