diff --git a/doc/3RDPARTY b/doc/3RDPARTY
index b0c5e1723eea..92c8c3e9b9d7 100644
--- a/doc/3RDPARTY
+++ b/doc/3RDPARTY
@@ -1,4 +1,4 @@
-#	$NetBSD: 3RDPARTY,v 1.1804 2021/06/17 01:16:55 christos Exp $
+#	$NetBSD: 3RDPARTY,v 1.1805 2021/07/06 12:26:03 christos Exp $
 #
 # This file contains a list of the software that has been integrated into
 # NetBSD where we are not the primary maintainer.
@@ -41,12 +41,12 @@
 #
 
 Package:	acpica
-Version:	20210331
-Current Vers:	20210331
+Version:	20210604
+Current Vers:	20210604
 Maintainer:	Intel
 Archive Site:	http://www.acpica.org/downloads/
 Home Page:	http://www.acpica.org/
-Date:		2021-04-03
+Date:		2021-07-06
 Mailing List:	devel@acpica.org
 License:	BSD-like
 Responsible:	jruoho
diff --git a/doc/CHANGES b/doc/CHANGES
index 5212b316b145..835ea34a864e 100644
--- a/doc/CHANGES
+++ b/doc/CHANGES
@@ -1,4 +1,4 @@
-# LIST OF CHANGES FROM LAST RELEASE:			<$Revision: 1.2813 $>
+# LIST OF CHANGES FROM LAST RELEASE:			<$Revision: 1.2814 $>
 #
 #
 # [Note: This file does not mention every change made to the NetBSD source tree.
@@ -335,7 +335,7 @@ Changes from NetBSD 9.0 to NetBSD 10.0:
 	bind: Import version 9.16.12. [christos 20210219]
 	OpenSSL: Imported 1.1.1j. [christos 20210219]
 	byacc: Update to 20210109. [christos 20210220]
-	regex: Add NLS support and gnu regex extensions (off by default).
+	regex(3): Add NLS support and gnu regex extensions (off by default).
 		[christos 20210223]
 	wpa: Import wpa_supplicant and hostapd 2.9. [christos 20210228]
 	tzcode: Updated to 2021a. [christos 20210228]
@@ -346,7 +346,7 @@ Changes from NetBSD 9.0 to NetBSD 10.0:
 	evbppc: Add support for DHT Walnut 405GP evaluation board.
 		[rin 20210402]
 	acpi(4): Updated ACPICA to 20210331. [christos 20210403]
-	libevent: Import libevent 2.1.12 [christos 20210406]
+	event(3): Import libevent 2.1.12 [christos 20210406]
 	services(5), protocols(5): Pull iana-generated services and protocols.
 		[christos 20210408]
 	file(1): Upgraded to 5.40. [christos 20210409]
@@ -384,3 +384,4 @@ Changes from NetBSD 9.0 to NetBSD 10.0:
 	m68k: Switch to GCC 10.  [mrg 20210619]
 	arm: Switch to GCC 10.  [mrg 20210619]
 	uscanner(4): Removed from the tree. [nia 20210629]
+	acpi(4): Updated ACPICA to 20210604. [christos 20210706]