diff --git a/Mobile Security/Mobile-Security-Framework-MobSF-master/Mobile-Security-Framework-MobSF-master/requirements.txt b/Mobile Security/Mobile-Security-Framework-MobSF-master/Mobile-Security-Framework-MobSF-master/requirements.txt
index d95109660..e59c81a4f 100644
--- a/Mobile Security/Mobile-Security-Framework-MobSF-master/Mobile-Security-Framework-MobSF-master/requirements.txt	
+++ b/Mobile Security/Mobile-Security-Framework-MobSF-master/Mobile-Security-Framework-MobSF-master/requirements.txt	
@@ -4,4 +4,4 @@ pyOpenSSL==17.0.0
 rsa==3.4.2
 configparser==3.5.0
 pdfkit==0.6.1
-lxml==3.8.0
+lxml==4.6.3