diff --git a/RTOC/RTLogger/requirenments.txt b/RTOC/RTLogger/requirenments.txt
index bc76836..73b8150 100644
--- a/RTOC/RTLogger/requirenments.txt
+++ b/RTOC/RTLogger/requirenments.txt
@@ -77,7 +77,7 @@ kostal-ardexa==0.2.1
 lanscan==0.9.5
 lazy-object-proxy==1.3.1
 libusb1==1.7
-lxml==4.2.1
+lxml==4.9.1
 macholib==1.9
 mapsplotlib==1.1.1
 markdown2==2.3.5
diff --git a/RTOC/requirenments.txt b/RTOC/requirenments.txt
index 955074e..60e2741 100644
--- a/RTOC/requirenments.txt
+++ b/RTOC/requirenments.txt
@@ -77,7 +77,7 @@ kostal-ardexa==0.2.1
 lanscan==0.9.5
 lazy-object-proxy==1.3.1
 libusb1==1.7
-lxml==4.2.1
+lxml==4.9.1
 macholib==1.9
 mapsplotlib==1.1.1
 markdown2==2.3.5