diff --git a/hshbase/apt/files/sources.list b/hshbase/apt/files/sources.list
index def6b34e30bd613e34f80883934a38ad52b24012..03acc06d05b11409c9b6c7244065ed8c5e146a37 100644
--- a/hshbase/apt/files/sources.list
+++ b/hshbase/apt/files/sources.list
@@ -29,11 +29,11 @@ deb-src http://ftp.de.debian.org/debian/ buster-updates main
 deb http://ftp.de.debian.org/debian {{ oscodename }} main non-free non-free-firmware
 deb-src http://ftp.de.debian.org/debian {{ oscodename }} main non-free non-free-firmware
 
-deb http://security.debian.org/ {{ oscodename }}/updates main
-deb-src http://security.debian.org/ {{ oscodename }}/updates main
-
 deb http://ftp.de.debian.org/debian/ {{ oscodename }}-updates main
 deb-src http://ftp.de.debian.org/debian/ {{ oscodename }}-updates main
+
+deb http://deb.debian.org/debian-security/ {{ oscodename }}-security main non-free non-free-firmware
+deb-src http://deb.debian.org/debian-security/ {{ oscodename }}-security main non-free non-free-firmware
 {% else %}
 deb http://ftp.de.debian.org/debian {{ oscodename }} main non-free
 deb-src http://ftp.de.debian.org/debian {{ oscodename }} main non-free