diff --git a/Linux_reinstall/Ubuntu/CloudInit/ipv4_static_interfaces.cfg b/Linux_reinstall/Ubuntu/CloudInit/ipv4_static_interfaces.cfg
index 5dd521d..bc09bda 100644
--- a/Linux_reinstall/Ubuntu/CloudInit/ipv4_static_interfaces.cfg
+++ b/Linux_reinstall/Ubuntu/CloudInit/ipv4_static_interfaces.cfg
@@ -10,7 +10,7 @@ system_info:
     - arches: [i386, amd64]
       failsafe:
         primary: http://targetLinuxMirror/ubuntu
-        security: http://security.ubuntu.com/ubuntu
+        security: http://targetLinuxSecurityMirror/ubuntu
     - arches: [arm64, armel, armhf]
       failsafe:
         primary: http://targetLinuxMirror/ubuntu-ports