diff --git a/0001-gtk3-restore-old-icon-size-for-titlebutton.patch b/0001-gtk3-restore-old-icon-size-for-titlebutton.patch
new file mode 100644
index 0000000..9eb296d
--- /dev/null
+++ b/0001-gtk3-restore-old-icon-size-for-titlebutton.patch
@@ -0,0 +1,38 @@
+From c5e757a198321208c6b1e99313652577c263ecc0 Mon Sep 17 00:00:00 2001
+From: Fushan Wen <qydwhotmail@gmail.com>
+Date: Fri, 7 Apr 2023 22:02:11 +0800
+Subject: [PATCH] gtk3: restore old icon size for titlebutton
+
+`background-size` results in different sizes on X11 and Wayland.
+
+BUG: 468203
+FIXED-IN: 5.27.5
+
+
+(cherry picked from commit bfe2ce620d395c943bb13a646295948b5bffbcc3)
+---
+ src/gtk3/widgets/_window_decorations.scss | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/gtk3/widgets/_window_decorations.scss b/src/gtk3/widgets/_window_decorations.scss
+index aef28ca..6568e6b 100644
+--- a/src/gtk3/widgets/_window_decorations.scss
++++ b/src/gtk3/widgets/_window_decorations.scss
+@@ -74,11 +74,11 @@ window {
+ 	.titlebar {
+ 		&.default-decoration button.titlebutton {
+ 			padding: 1px;
+-			min-height: 24px;
+-			min-width: 24px;
++			min-height: 18px;
++			min-width: 18px;
+ 			margin: 0;
+ 		}
+-		$titlebutton-size: 24px 24px;
++		$titlebutton-size: 18px 18px;
+ 		button.titlebutton {
+ 			&:hover,
+ 			&:active,
+-- 
+2.40.0
+
diff --git a/breeze-gtk.changes b/breeze-gtk.changes
index 56839ed..2ccf5a0 100644
--- a/breeze-gtk.changes
+++ b/breeze-gtk.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat Apr  8 09:30:51 UTC 2023 - Fusion Future <qydwhotmail@gmail.com>
+
+- Add patch to fix oversized titlebuttons in GTK3 apps (kde#468203)
+  * 0001-gtk3-restore-old-icon-size-for-titlebutton.patch
+
 -------------------------------------------------------------------
 Tue Apr  4 15:05:32 UTC 2023 - Fabian Vogt <fabian@ritter-vogt.de>
 
diff --git a/breeze-gtk.spec b/breeze-gtk.spec
index 71ff744..aeb8112 100644
--- a/breeze-gtk.spec
+++ b/breeze-gtk.spec
@@ -30,6 +30,8 @@ Source:         https://download.kde.org/stable/plasma/%{version}/breeze-gtk-%{v
 Source1:        https://download.kde.org/stable/plasma/%{version}/breeze-gtk-%{version}.tar.xz.sig
 Source2:        plasma.keyring
 %endif
+# PATCH-FIX-UPSTREAM kde#468203 https://invent.kde.org/plasma/breeze-gtk/-/commit/c5e757a198321208c6b1e99313652577c263ecc0
+Patch0:         0001-gtk3-restore-old-icon-size-for-titlebutton.patch
 BuildRequires:  breeze5-style
 BuildRequires:  cmake >= 3.16
 BuildRequires:  extra-cmake-modules >= 5.98.0