diff --git a/config.sub b/config.sub
index 9865d6e..f28eb2f 100755
--- a/config.sub
+++ b/config.sub
@@ -4,7 +4,7 @@
 
 # shellcheck disable=SC2006,SC2268 # see below for rationale
 
-timestamp='2023-06-26'
+timestamp='2023-07-04'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -1816,6 +1816,10 @@ case $kernel-$os in
 		;;
 	*-eabi* | *-gnueabi*)
 		;;
+	none-coff* | none-elf*)
+		# None (no kernel, i.e. freestanding / bare metal),
+		# can be paired with an output format "OS"
+		;;
 	-*)
 		# Blank kernel with real OS is always fine.
 		;;
diff --git a/doc/config.sub.1 b/doc/config.sub.1
index 94c6d20..bad6b39 100644
--- a/doc/config.sub.1
+++ b/doc/config.sub.1
@@ -1,5 +1,5 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.5.
-.TH CONFIG.SUB "1" "July 2023" "GNU config.sub (2023-06-26)" "User Commands"
+.TH CONFIG.SUB "1" "July 2023" "GNU config.sub (2023-07-04)" "User Commands"
 .SH NAME
 config.sub \- validate and canonicalize a configuration triplet
 .SH SYNOPSIS
diff --git a/testsuite/config-sub.data b/testsuite/config-sub.data
index bb19dc2..2bacb05 100644
--- a/testsuite/config-sub.data
+++ b/testsuite/config-sub.data
@@ -91,7 +91,9 @@ arm-sysgo-pikeos				arm-sysgo-eabi
 arm-tirtos					arm-unknown-tirtos
 arm-uclinux-uclibcgnueabi			arm-unknown-uclinux-uclibcgnueabi
 arm-unknown-netbsdelf7.0			arm-unknown-netbsdelf7.0
+arm-unknown-none-coff				arm-unknown-none-coff
 arm-unknown-none-eabi				arm-unknown-none-eabi
+arm-unknown-none-elf				arm-unknown-none-elf
 arm-unknown-riscos				arm-unknown-riscos
 arm-zephyr					arm-unknown-zephyr
 arm64-apple-darwin20.0.0			aarch64-apple-darwin20.0.0
@@ -639,6 +641,7 @@ riscv32be-elf					riscv32be-unknown-elf
 riscv32be-linux					riscv32be-unknown-linux-gnu
 riscv64						riscv64-unknown-none
 riscv64-company-elf				riscv64-company-elf
+riscv64-company-none-elf			riscv64-company-none-elf
 riscv64-elf					riscv64-unknown-elf
 riscv64-hcos					riscv64-unknown-hcos
 riscv64-linux					riscv64-unknown-linux-gnu