diff --git a/apt/templates/bullseye_basics.list.j2 b/apt/templates/bullseye_basics.list.j2
index 94b0995d..55f32b8d 100644
--- a/apt/templates/bullseye_basics.list.j2
+++ b/apt/templates/bullseye_basics.list.j2
@@ -2,4 +2,4 @@
 
 deb http://mirror.evolix.org/debian bullseye {{ apt_basics_components | mandatory }}
 deb http://mirror.evolix.org/debian/ bullseye-updates {{ apt_basics_components | mandatory }} 
-deb https://deb.debian.org/debian-security bullseye-security {{ apt_basics_components | mandatory }}
\ No newline at end of file
+deb http://security.debian.org/debian-security bullseye-security {{ apt_basics_components | mandatory }}