diff --git a/SOURCES/ibus-hangul-sync-process-key.patch b/SOURCES/ibus-hangul-sync-process-key.patch
new file mode 100644
index 0000000..22a9917
--- /dev/null
+++ b/SOURCES/ibus-hangul-sync-process-key.patch
@@ -0,0 +1,17 @@
+Index: ibus-hangul-1.5.4/src/engine.c
+===================================================================
+--- ibus-hangul-1.5.4.orig/src/engine.c
++++ ibus-hangul-1.5.4/src/engine.c
+@@ -1577,7 +1577,11 @@ ibus_hangul_engine_process_key_event (IB
+      *
+      * See: https://github.com/choehwanjin/ibus-hangul/issues/40
+      */
+-    if (use_event_forwarding) {
++    if (use_event_forwarding
++#if IBUS_CHECK_VERSION(1, 5, 25)
++        && (hangul->caps & IBUS_CAP_SYNC_PROCESS_KEY_V2)
++#endif
++        ) {
+         if (!retval) {
+             ibus_engine_forward_key_event (engine, orig_keyval, keycode, modifiers);
+         }
diff --git a/SPECS/ibus-hangul.spec b/SPECS/ibus-hangul.spec
index e3d4fea..eda27f4 100644
--- a/SPECS/ibus-hangul.spec
+++ b/SPECS/ibus-hangul.spec
@@ -3,7 +3,7 @@
 
 Name:       ibus-hangul
 Version:    1.5.4
-Release:    7%{?dist}
+Release:    9%{?dist}
 Summary:    The Hangul engine for IBus input platform
 License:    GPLv2+
 URL:        https://github.com/libhangul/ibus-hangul
@@ -12,6 +12,8 @@ Source0:    https://github.com/libhangul/ibus-hangul/releases/download/%{version
 # not upstreamed patches
 Patch1:     ibus-hangul-setup-abspath.patch
 
+Patch2:     ibus-hangul-sync-process-key.patch
+
 BuildRequires:  gettext-devel, automake, libtool
 BuildRequires:  intltool
 BuildRequires:  libtool
@@ -44,6 +46,7 @@ the functionality of the installed %{name} package.
 %prep
 %setup -q
 %patch1 -p1 -b .setup-abspath
+%patch2 -p1 -b .sync
 
 %build
 ./autogen.sh
@@ -91,6 +94,14 @@ make check \
 %{_datadir}/installed-tests/ibus-hangul
 
 %changelog
+* Thu Nov 23 2023 Peng Wu <pwu@redhat.com> - 1.5.4-9
+- Fix CI tests
+- Resolves: RHEL-14878
+
+* Thu Nov 16 2023 Peng Wu <pwu@redhat.com> - 1.5.4-8
+- Add ibus-hangul-sync-process-key.patch
+- Resolves: RHEL-14878
+
 * Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 1.5.4-7
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688