diff --git a/ibus-1385349-segv-bus-proxy.patch b/ibus-1385349-segv-bus-proxy.patch
index 0f8006d..093f8fa 100644
--- a/ibus-1385349-segv-bus-proxy.patch
+++ b/ibus-1385349-segv-bus-proxy.patch
@@ -1,6 +1,6 @@
-From f6d31621404dc8716bddd0588402fbdde4f5fb73 Mon Sep 17 00:00:00 2001
+From eb9eaa6b52d5beb4aff0a45dcd2b97a4071029ea Mon Sep 17 00:00:00 2001
 From: fujiwarat <takao.fujiwara1@gmail.com>
-Date: Thu, 3 Nov 2022 08:59:41 +0900
+Date: Wed, 7 Dec 2022 11:11:09 +0900
 Subject: [PATCH] Fix SEGV in bus_panel_proxy_focus_in()
 
 rhbz#1350291 SEGV in BUS_IS_CONNECTION(skip_connection) in
@@ -32,6 +32,9 @@ events and m_loop was not released.
 rhbz#1797120 SEGV in assert(bus.is_connected()) in panel_binding_construct()
 Check m_ibus in extension.vala:bus_name_acquired_cb()
 
+rhbz#2151344 SEGV with portal_context->owner in name_owner_changed()
+Maybe g_object_unref() is called but not finalzed yet.
+
 BUG=rhbz#1350291
 BUG=rhbz#1601577
 BUG=rhbz#1663528
@@ -40,14 +43,16 @@ BUG=rhbz#1795499
 BUG=rhbz#1771238
 BUG=rhbz#1767976
 BUG=rhbz#1797120
+BUG=rhbz#2151344
 ---
  bus/dbusimpl.c         | 47 ++++++++++++++++++++++++---
  bus/engineproxy.c      | 44 +++++++++++++++++++------
  client/x11/main.c      |  8 ++++-
+ portal/portal.c        | 11 +++++++
  src/ibusbus.c          |  6 ++++
  ui/gtk3/extension.vala |  4 +++
  ui/gtk3/switcher.vala  | 73 +++++++++++++++++++++++++-----------------
- 6 files changed, 137 insertions(+), 45 deletions(-)
+ 7 files changed, 148 insertions(+), 45 deletions(-)
 
 diff --git a/bus/dbusimpl.c b/bus/dbusimpl.c
 index 59787a80..af2fbde2 100644
@@ -238,7 +243,7 @@ index fd1f34fb..57c061ba 100644
      /* FIXME: set destroy callback ? */
      g_task_return_pointer (data->task, engine, NULL);
 diff --git a/client/x11/main.c b/client/x11/main.c
-index 6057cc03..12e9012c 100644
+index 905fd251..1abea0af 100644
 --- a/client/x11/main.c
 +++ b/client/x11/main.c
 @@ -45,6 +45,7 @@
@@ -249,7 +254,7 @@ index 6057cc03..12e9012c 100644
  
  #include <getopt.h>
  
-@@ -1148,7 +1149,12 @@ _atexit_cb ()
+@@ -1269,7 +1270,12 @@ _atexit_cb ()
  static void
  _sighandler (int sig)
  {
@@ -263,6 +268,35 @@ index 6057cc03..12e9012c 100644
  }
  
  static void
+diff --git a/portal/portal.c b/portal/portal.c
+index c2e4fc7f..a347fe6a 100644
+--- a/portal/portal.c
++++ b/portal/portal.c
+@@ -90,6 +90,11 @@ static void portal_context_g_signal (GDBusProxy        *proxy,
+                                      GVariant          *parameters,
+                                      IBusPortalContext *portal_context);
+ 
++#define IBUS_TYPE_PORTAL_CONTEXT                \
++    (ibus_portal_context_get_type ())
++#define IBUS_IS_PORTAL_CONTEXT(obj)             \
++    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), IBUS_TYPE_PORTAL_CONTEXT))
++
+ G_DEFINE_TYPE_WITH_CODE (IBusPortalContext,
+                          ibus_portal_context,
+                          IBUS_DBUS_TYPE_INPUT_CONTEXT_SKELETON,
+@@ -624,6 +629,12 @@ name_owner_changed (GDBusConnection *connection,
+             IBusPortalContext *portal_context = l->data;
+             next = l->next;
+ 
++            /* rhbz#2151344 portal_context might not be finalized?  */
++            if (!G_LIKELY (IBUS_IS_PORTAL_CONTEXT (portal_context))) {
++                g_warn_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC,
++                                "portal_context is not IBusPortalContext");
++                continue;
++            }
+             if (g_strcmp0 (portal_context->owner, name) == 0) {
+                 g_object_unref (portal_context);
+             }
 diff --git a/src/ibusbus.c b/src/ibusbus.c
 index 47400cb8..c9fbe492 100644
 --- a/src/ibusbus.c
@@ -400,5 +434,5 @@ index 9400e9ba..2ecbdac1 100644
  #if VALA_0_34
          seat.ungrab();
 -- 
-2.37.3
+2.38.1
 
diff --git a/ibus.spec b/ibus.spec
index 98d38c4..66bb31e 100644
--- a/ibus.spec
+++ b/ibus.spec
@@ -39,7 +39,7 @@
 
 Name:           ibus
 Version:        1.5.27
-Release:        7%{?dist}
+Release:        8%{?dist}
 Summary:        Intelligent Input Bus for Linux OS
 License:        LGPL-2.0-or-later
 URL:            https://github.com/ibus/%name/wiki
@@ -523,8 +523,11 @@ dconf update || :
 %{_datadir}/installed-tests/ibus
 
 %changelog
+* Wed Dec 07 2022 Takao Fujiwara <tfujiwar@redhat.com> - 1.5.27-8
+- Resolved: #2151344 SEGV with portal_context->owner in name_owner_changed()
+
 * Fri Dec 02 2022 Takao Fujiwara <tfujiwar@redhat.com> - 1.5.27-7
--  Add GitHub action patches
+- Add GitHub action patches
 
 * Thu Nov 24 2022 Takao Fujiwara <tfujiwar@redhat.com> - 1.5.27-6
 -  Implement new process_key_event for ibus-x11