-deb http://httpredir.debian.org/debian jessie main contrib non-free
-deb http://security.debian.org/debian-security jessie/updates main contrib non-free
+deb http://httpredir.debian.org/debian stretch main contrib non-free
+deb http://security.debian.org/debian-security stretch/updates main contrib non-free
-# repository that may contain newer fai packages for jessie
-deb [trusted=yes] http://fai-project.org/download jessie koeln
+# repository that may contain newer fai packages for stretch
+deb [trusted=yes] http://fai-project.org/download stretch koeln