diff --git a/.raspberrypi2.metadata b/.raspberrypi2.metadata
index 988d3ba..0ce31ad 100644
--- a/.raspberrypi2.metadata
+++ b/.raspberrypi2.metadata
@@ -1,2 +1,2 @@
60c685b1ff49b11454c147944a6f4e9e24cd05db SOURCES/734829e3525e5baea62d1deedbe65eb60f4fb36b.tar.gz
-a975279af2634dd89b7a2d6a30eaab11240a88e8 SOURCES/stable_20240423.tar.gz
+3b0f152bca3eada3b0796fc95da0f025864a70c1 SOURCES/stable_20240529.tar.gz
diff --git a/SPECS/raspberrypi2.spec b/SPECS/raspberrypi2.spec
index abcf7e6..4a16c74 100644
--- a/SPECS/raspberrypi2.spec
+++ b/SPECS/raspberrypi2.spec
@@ -1,5 +1,5 @@
%global commit_firmware_long 734829e3525e5baea62d1deedbe65eb60f4fb36b
-%global version_tag 20240423
+%global version_tag 20240529
ExclusiveArch: aarch64
@@ -11,7 +11,7 @@ ExclusiveArch: aarch64
%define local_version v8
%define bcmmodel 2711
-%define extra_version 2
+%define extra_version 1
# This originally implies Kernel 4.x for RPi 2 and is not appropriate now.
# Be careful to change this not to disturb the seamless package update.
@@ -19,7 +19,7 @@ ExclusiveArch: aarch64
%define ksuffix 4
%define kversion 6.6
-%define patchlevel 28
+%define patchlevel 31
Name: raspberrypi%{rpisuffix}
Version: %{kversion}.%{patchlevel}
@@ -234,6 +234,9 @@ cp $(ls -1 /boot/config-kernel-*-*|sort -V|tail -1) /boot/config-kernel.inc
%doc /boot/LICENCE.broadcom
%changelog
+* Mon Jun 10 2024 Koichiro Iwao - 6.6.31-20240529.v8.1
+- Update to v6.6.31 stable_20240529
+
* Tue Jun 04 2024 Koichiro Iwao - 6.6.28-20240423.v8.2
- Add installonlypkg(kernel) to kernel and -devel subpackages
Resolves: https://github.com/AlmaLinux/raspberry-pi/issues/39