diff --git a/poky/meta/recipes-devtools/vala/vala.inc b/poky/meta/recipes-devtools/vala/vala.inc
deleted file mode 100644
index 0177e86..0000000
--- a/poky/meta/recipes-devtools/vala/vala.inc
+++ /dev/null
@@ -1,71 +0,0 @@
-SUMMARY = "C#-like programming language for easing GObject programming"
-HOMEPAGE = "http://vala-project.org"
-DESCRIPTION = "Vala is a C#-like language dedicated to ease GObject programming. \
-Vala compiles to plain C and has no runtime environment nor penalities whatsoever."
-SECTION = "devel"
-DEPENDS = "bison-native flex-native glib-2.0 gobject-introspection"
-
-# Appending libxslt-native to dependencies has an effect
-# of rebuilding the manual, which is very slow. Let's do this
-# only when api-documentation distro feature is enabled.
-DEPENDS:append:class-target = " ${@bb.utils.contains('DISTRO_FEATURES', 'api-documentation', 'libxslt-native', '', d)}"
-
-# vala-native contains a native version of vapigen, which we use instead of the target one
-DEPENDS:append:class-target = " vala-native"
-BBCLASSEXTEND = "native"
-LICENSE = "LGPL-2.1-only"
-LIC_FILES_CHKSUM = "file://COPYING;md5=fbc093901857fcd118f065f900982c24"
-
-SHRT_VER = "${@d.getVar('PV').split('.')[0]}.${@d.getVar('PV').split('.')[1]}"
-
-SRC_URI = "http://ftp.gnome.org/pub/GNOME/sources/${BPN}/${SHRT_VER}/${BP}.tar.xz"
-inherit autotools pkgconfig upstream-version-is-even
-
-FILES:${PN} += "${datadir}/${BPN}-${SHRT_VER}/vapi ${libdir}/${BPN}-${SHRT_VER}/"
-FILES:${PN}-doc += "${datadir}/devhelp"
-
-# .gir files from gobject-introspection are installed to ${libdir} when multilib is enabled
-GIRDIR_OPT = "${@'--girdir=${STAGING_LIBDIR}/gir-1.0' if d.getVar('MULTILIBS') else ''}"
-
-do_configure:prepend:class-target() {
-        # Write out a vapigen wrapper that will be provided by pkg-config file installed in target sysroot
-        # The wrapper will call a native vapigen
-        cat > ${B}/vapigen-wrapper << EOF
-#!/bin/sh
-vapigen-${SHRT_VER} ${GIRDIR_OPT} "\$@"
-EOF
-        chmod +x ${B}/vapigen-wrapper
-}
-
-EXTRA_OECONF += " --disable-valadoc"
-
-# Vapigen wrapper needs to be available system-wide, because it will be used
-# to build vapi files from all other packages with vala support
-do_install:append:class-target() {
-        install -d ${D}${bindir_crossscripts}/
-        install ${B}/vapigen-wrapper ${D}${bindir_crossscripts}/
-}
-
-# Put vapigen wrapper into target sysroot so that it can be used when building
-# vapi files.
-SYSROOT_DIRS += "${bindir_crossscripts}"
-
-inherit multilib_script
-MULTILIB_SCRIPTS = "${PN}:${bindir}/vala-gen-introspect-0.56"
-
-SYSROOT_PREPROCESS_FUNCS:append:class-target = " vapigen_sysroot_preprocess"
-vapigen_sysroot_preprocess() {
-        # Tweak the vapigen name in the vapigen pkgconfig file, so that it picks
-        # up our wrapper.
-        sed -i \
-           -e "s|vapigen=.*|vapigen=${bindir_crossscripts}/vapigen-wrapper|" \
-           ${SYSROOT_DESTDIR}${libdir}/pkgconfig/vapigen-${SHRT_VER}.pc
-}
-
-SSTATE_SCAN_FILES += "vapigen-wrapper"
-
-PACKAGE_PREPROCESS_FUNCS += "vala_package_preprocess"
-
-vala_package_preprocess () {
-	rm -rf ${PKGD}${bindir_crossscripts}
-}
diff --git a/poky/meta/recipes-devtools/vala/vala/0001-gtk4-Preserve-compatibility-with-4.14.patch b/poky/meta/recipes-devtools/vala/vala/0001-gtk4-Preserve-compatibility-with-4.14.patch
new file mode 100644
index 0000000..1614740
--- /dev/null
+++ b/poky/meta/recipes-devtools/vala/vala/0001-gtk4-Preserve-compatibility-with-4.14.patch
@@ -0,0 +1,39 @@
+From 17349020fb95454d06f827fd555b05248f10a370 Mon Sep 17 00:00:00 2001
+From: Rico Tzschichholz <ricotz@ubuntu.com>
+Date: Thu, 7 Mar 2024 17:56:05 +0100
+Subject: [PATCH] gtk4: Preserve compatibility with < 4.14
+
+Don't prefer new accessor methods for Calendar.day/month/year
+
+Fixes https://gitlab.gnome.org/GNOME/vala/issues/1531
+
+Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/vala/-/commit/e0c4ea8c4a0bbf859b5341a7465b395892789d9e]
+
+Signed-off-by: Markus Volk <f_l_k@t-online.de>
+---
+ vapi/gtk4.vapi                 | 3 +++
+ vapi/metadata/Gtk-4.0.metadata | 5 +++++
+ 2 files changed, 8 insertions(+)
+
+diff --git a/vapi/gtk4.vapi b/vapi/gtk4.vapi
+index 49f8b2078..51ecea27d 100644
+--- a/vapi/gtk4.vapi
++++ b/vapi/gtk4.vapi
+@@ -7350,11 +7350,14 @@ namespace Gtk {
+ 		[Version (since = "4.14")]
+ 		public void set_year (int year);
+ 		public void unmark_day (uint day);
++		[NoAccessorMethod]
+ 		public int day { get; set; }
++		[NoAccessorMethod]
+ 		public int month { get; set; }
+ 		public bool show_day_names { get; set; }
+ 		public bool show_heading { get; set; }
+ 		public bool show_week_numbers { get; set; }
++		[NoAccessorMethod]
+ 		public int year { get; set; }
+ 		public signal void day_selected ();
+ 		public signal void next_month ();
+-- 
+2.44.0
+
diff --git a/poky/meta/recipes-devtools/vala/vala_0.56.15.bb b/poky/meta/recipes-devtools/vala/vala_0.56.15.bb
index dc483b1..915ddd8 100644
--- a/poky/meta/recipes-devtools/vala/vala_0.56.15.bb
+++ b/poky/meta/recipes-devtools/vala/vala_0.56.15.bb
@@ -1,3 +1,76 @@
-require ${BPN}.inc
+SUMMARY = "C#-like programming language for easing GObject programming"
+HOMEPAGE = "http://vala-project.org"
+DESCRIPTION = "Vala is a C#-like language dedicated to ease GObject programming. \
+Vala compiles to plain C and has no runtime environment nor penalities whatsoever."
+SECTION = "devel"
+DEPENDS = "bison-native flex-native glib-2.0 gobject-introspection"
 
+# Appending libxslt-native to dependencies has an effect
+# of rebuilding the manual, which is very slow. Let's do this
+# only when api-documentation distro feature is enabled.
+DEPENDS:append:class-target = " ${@bb.utils.contains('DISTRO_FEATURES', 'api-documentation', 'libxslt-native', '', d)}"
+
+# vala-native contains a native version of vapigen, which we use instead of the target one
+DEPENDS:append:class-target = " vala-native"
+BBCLASSEXTEND = "native"
+LICENSE = "LGPL-2.1-only"
+LIC_FILES_CHKSUM = "file://COPYING;md5=fbc093901857fcd118f065f900982c24"
+
+SHRT_VER = "${@d.getVar('PV').split('.')[0]}.${@d.getVar('PV').split('.')[1]}"
+
+SRC_URI = " \
+	http://ftp.gnome.org/pub/GNOME/sources/${BPN}/${SHRT_VER}/${BP}.tar.xz \
+	file://0001-gtk4-Preserve-compatibility-with-4.14.patch \
+"
 SRC_URI[sha256sum] = "535b6452ed310fd5fb5c7dd6794b6213dac3b48e645e5bff3173741ec2cb3f2b"
+
+inherit autotools pkgconfig upstream-version-is-even
+
+FILES:${PN} += "${datadir}/${BPN}-${SHRT_VER}/vapi ${libdir}/${BPN}-${SHRT_VER}/"
+FILES:${PN}-doc += "${datadir}/devhelp"
+
+# .gir files from gobject-introspection are installed to ${libdir} when multilib is enabled
+GIRDIR_OPT = "${@'--girdir=${STAGING_LIBDIR}/gir-1.0' if d.getVar('MULTILIBS') else ''}"
+
+do_configure:prepend:class-target() {
+        # Write out a vapigen wrapper that will be provided by pkg-config file installed in target sysroot
+        # The wrapper will call a native vapigen
+        cat > ${B}/vapigen-wrapper << EOF
+#!/bin/sh
+vapigen-${SHRT_VER} ${GIRDIR_OPT} "\$@"
+EOF
+        chmod +x ${B}/vapigen-wrapper
+}
+
+EXTRA_OECONF += " --disable-valadoc"
+
+# Vapigen wrapper needs to be available system-wide, because it will be used
+# to build vapi files from all other packages with vala support
+do_install:append:class-target() {
+        install -d ${D}${bindir_crossscripts}/
+        install ${B}/vapigen-wrapper ${D}${bindir_crossscripts}/
+}
+
+# Put vapigen wrapper into target sysroot so that it can be used when building
+# vapi files.
+SYSROOT_DIRS += "${bindir_crossscripts}"
+
+inherit multilib_script
+MULTILIB_SCRIPTS = "${PN}:${bindir}/vala-gen-introspect-0.56"
+
+SYSROOT_PREPROCESS_FUNCS:append:class-target = " vapigen_sysroot_preprocess"
+vapigen_sysroot_preprocess() {
+        # Tweak the vapigen name in the vapigen pkgconfig file, so that it picks
+        # up our wrapper.
+        sed -i \
+           -e "s|vapigen=.*|vapigen=${bindir_crossscripts}/vapigen-wrapper|" \
+           ${SYSROOT_DESTDIR}${libdir}/pkgconfig/vapigen-${SHRT_VER}.pc
+}
+
+SSTATE_SCAN_FILES += "vapigen-wrapper"
+
+PACKAGE_PREPROCESS_FUNCS += "vala_package_preprocess"
+
+vala_package_preprocess () {
+	rm -rf ${PKGD}${bindir_crossscripts}
+}