diff --git a/make.sh b/make.sh
index ea17c42d3f11812b6dd2398b4ead1179be7491fb..f1f4c0a4157bc92438e01e8c3e3d9a467bb8b0f4 100755
--- a/make.sh
+++ b/make.sh
@@ -1,13 +1,13 @@
 #!/bin/bash -x
 
 cat > /etc/apt/sources.list << EOSOURCES
-deb http://ftp.zcu.cz/pub/linux/debian buster main contrib non-free
-deb http://ftp.zcu.cz/pub/linux/debian buster-updates main contrib non-free
-deb http://ftp.zcu.cz/pub/linux/debian-security buster/updates main contrib non-free
+deb http://ftp.cz.debian.org/debian buster main contrib non-free
+deb http://ftp.cz.debian.org/debian buster-updates main contrib non-free
+deb http://security.debian.org/debian-security buster/updates main contrib non-free
 
-deb-src http://ftp.zcu.cz/pub/linux/debian buster main contrib non-free
-deb-src http://ftp.zcu.cz/pub/linux/debian buster-updates main contrib non-free
-deb-src http://ftp.zcu.cz/pub/linux/debian-security buster/updates main contrib non-free
+deb-src http://ftp.cz.debian.org/debian buster main contrib non-free
+deb-src http://ftp.cz.debian.org/debian buster-updates main contrib non-free
+deb-src http://security.debian.org/debian-security buster/updates main contrib non-free
 EOSOURCES
 
 apt update -qqq