diff --git a/ChangeLog b/ChangeLog
index 80e72b8..49d5b9a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2020-07-12  Ben Elliston  <bje@gnu.org>
+
+	* config.guess (arm64:Darwin:*:*): Recognise.
+	* testsuite/config-guess.data: Add a test case.
+
 2020-07-10  Ben Elliston  <bje@gnu.org>
 
 	* config.sub (case $cpu): Whitespace fix.
diff --git a/config.guess b/config.guess
index 92bfc33..e94095c 100755
--- a/config.guess
+++ b/config.guess
@@ -2,7 +2,7 @@
 # Attempt to guess a canonical system name.
 #   Copyright 1992-2020 Free Software Foundation, Inc.
 
-timestamp='2020-04-26'
+timestamp='2020-07-12'
 
 # 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
@@ -1342,6 +1342,9 @@ EOF
     *:Rhapsody:*:*)
 	echo "$UNAME_MACHINE"-apple-rhapsody"$UNAME_RELEASE"
 	exit ;;
+    arm64:Darwin:*:*)
+	echo aarch64-apple-darwin"$UNAME_RELEASE"
+	exit ;;
     *:Darwin:*:*)
 	UNAME_PROCESSOR=`uname -p`
 	case $UNAME_PROCESSOR in
diff --git a/testsuite/config-guess.data b/testsuite/config-guess.data
index 2c07d9a..a99bf8b 100644
--- a/testsuite/config-guess.data
+++ b/testsuite/config-guess.data
@@ -16,6 +16,7 @@ arm | 12.0 | FreeBSD | ignored | armv7 | armv7-unknown-freebsd12.0-gnueabihf
 arm | ignored | Linux | ignored | ignored | arm-unknown-linux-gnueabihf
 arm | ignored | riscos | ignored | ignored | arm-unknown-riscos
 arm | ignored | RISCOS | ignored | ignored | arm-unknown-riscos
+arm64 | 20.0.0 | Darwin | ignored | arm | aarch64-apple-darwin20.0.0
 armv4l | ignored | riscos | ignored | ignored | arm-unknown-riscos
 authenticamd | 6.0 | Interix | ignored | ignored | x86_64-unknown-interix6.0
 avr32 | 2.6.15 | Linux | ignored | ignored | avr32-unknown-linux-gnu