diff --git a/debian.txt b/debian.txt
index be2a738..148851e 100644
--- a/debian.txt
+++ b/debian.txt
@@ -6,5 +6,4 @@ http.kali.org
 packages.linuxmint.com
 apt.pop-os.org
 archive.ubuntu.com
-security.ubuntu.com
 ppa.launchpad.net
\ No newline at end of file