diff '--color=auto' -rupN adduser-debian-3.131.orig/AdduserCommon.pm adduser-debian-3.131/AdduserCommon.pm
--- adduser-debian-3.131.orig/AdduserCommon.pm	2023-02-19 16:44:55.239704864 +1030
+++ adduser-debian-3.131/AdduserCommon.pm	2023-02-19 21:37:36.388307790 +1030
@@ -286,14 +286,14 @@ sub preseed_config {
         backup => 0,
         backup_to => ".",
         dshell => "/bin/bash",
-        first_system_uid => 100,
+        first_system_uid => 500,
         last_system_uid => 999,
         first_uid => 1000,
-        last_uid => 59999,
-        first_system_gid => 100,
+        last_uid => 60000,
+        first_system_gid => 500,
         last_system_gid => 999,
         first_gid => 1000,
-        last_gid => 59999,
+        last_gid => 60000,
         dhome => "/home",
         skel => "/etc/skel",
         usergroups => "yes",
diff '--color=auto' -rupN adduser-debian-3.131.orig/adduser.conf adduser-debian-3.131/adduser.conf
--- adduser-debian-3.131.orig/adduser.conf	2023-02-19 16:44:55.239704864 +1030
+++ adduser-debian-3.131/adduser.conf	2023-02-19 21:37:33.024856943 +1030
@@ -21,21 +21,21 @@
 # Specify inclusive ranges of UIDs and GIDs from which UIDs and GIDs
 # for system users, system groups, non-system users and non-system groups
 # can be dynamically allocated.
-# Default: FIRST_SYSTEM_UID=100, LAST_SYSTEM_UID=999
-#FIRST_SYSTEM_UID=100
+# Default: FIRST_SYSTEM_UID=500, LAST_SYSTEM_UID=999
+#FIRST_SYSTEM_UID=500
 #LAST_SYSTEM_UID=999
 
-# Default: FIRST_SYSTEM_GID=100, LAST_SYSTEM_GID=999
-#FIRST_SYSTEM_GID=100
+# Default: FIRST_SYSTEM_GID=500, LAST_SYSTEM_GID=999
+#FIRST_SYSTEM_GID=500
 #LAST_SYSTEM_GID=999
 
-# Default: FIRST_UID=1000, LAST_UID=59999
+# Default: FIRST_UID=1000, LAST_UID=60000
 #FIRST_UID=1000
-#LAST_UID=59999
+#LAST_UID=60000
 
-# Default: FIRST_GID=1000, LAST_GID=59999
+# Default: FIRST_GID=1000, LAST_GID=60000
 #FIRST_GID=1000
-#LAST_GID=59999
+#LAST_GID=60000
 
 # Specify a file or a directory containing UID and GID pool.
 #UID_POOL=/etc/adduser-pool.conf
diff '--color=auto' -rupN adduser-debian-3.131.orig/doc/adduser.conf.5 adduser-debian-3.131/doc/adduser.conf.5
--- adduser-debian-3.131.orig/doc/adduser.conf.5        2023-02-19 22:33:00.353721720 +1030
+++ adduser-debian-3.131/doc/adduser.conf.5     2023-02-19 23:00:31.581333495 +1030
@@ -62,17 +62,17 @@ Defaults to \fIusers\fP.
 .B FIRST_SYSTEM_GID " and " LAST_SYSTEM_GID
 specify an inclusive range of GIDs from which GIDs
 for system groups can be dynamically allocated.
-Defaults to \fI100\fP - \fI999\fP.
+Defaults to \fI500\fP - \fI999\fP.
 .TP
 .B FIRST_GID " and " LAST_GID
 specify an inclusive range of GIDs from which GIDs
 for non-system groups can be dynamically allocated.
-Defaults to \fI1000\fP - \fI59999\fP.
+Defaults to \fI1000\fP - \fI60000\fP.
 .TP
 .B FIRST_SYSTEM_UID " and " LAST_SYSTEM_UID
 specify an inclusive range of UIDs from which UIDs
 for system users can be dynamically allocated.
-Defaults to \fI100\fP - \fI999\fP.
+Defaults to \fI500\fP - \fI999\fP.
 Please note that system software,
 such as the users allocated by the \fIbase-passwd\fP package,
 may assume that UIDs less than 100 are unallocated.
@@ -80,7 +80,7 @@ may assume that UIDs less than 100 are u
 .B FIRST_UID " and " LAST_UID
 specify an inclusive range of UIDs from which UIDs
 for non-system users can be dynamically allocated.
-Defaults to \fI1000\fP - \fI59999\fP.
+Defaults to \fI1000\fP - \fI60000\fP.
 .TP
 .B GID_POOL
 See \fBUID_POOL\fP.