diff --git a/.gitignore b/.gitignore
index 2fe3e71..f2e2b66 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ atkmm-2.21.2.tar.bz2
 /atkmm-2.28.1.tar.xz
 /atkmm-2.28.2.tar.xz
 /atkmm-2.28.3.tar.xz
+/atkmm-2.28.4.tar.xz
diff --git a/atkmm.spec b/atkmm.spec
index 9eb51a0..bf0c069 100644
--- a/atkmm.spec
+++ b/atkmm.spec
@@ -5,8 +5,8 @@
 %global glibmm24_version 2.46.2
 
 Name:           atkmm
-Version:        2.28.3
-Release:        5%{?dist}
+Version:        2.28.4
+Release:        1%{?dist}
 Summary:        C++ interface for the ATK library
 
 License:        LGPL-2.1-or-later
@@ -16,7 +16,7 @@ Source0:        https://download.gnome.org/sources/atkmm/%{release_version}/atkm
 BuildRequires:  atk-devel
 BuildRequires:  doxygen
 BuildRequires:  gcc-c++
-BuildRequires:  glibmm24-devel >= %{glibmm24_version}
+BuildRequires:  pkgconfig(glibmm-2.4) >= %{glibmm24_version}
 BuildRequires:  libxslt
 BuildRequires:  m4
 BuildRequires:  meson
@@ -70,7 +70,7 @@ documentation browser or through a web browser.
 
 %files
 %license COPYING
-%doc AUTHORS NEWS README.md
+%doc NEWS README.md
 %{_libdir}/libatkmm-%{apiver}.so.1*
 
 %files devel
@@ -85,6 +85,9 @@ documentation browser or through a web browser.
 
 
 %changelog
+* Sat Jan 27 2024 David King <amigadave@amigadave.com> - 2.28.4-1
+- Update to 2.28.4
+
 * Mon Jan 22 2024 Fedora Release Engineering <releng@fedoraproject.org> - 2.28.3-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
 
diff --git a/sources b/sources
index 480dad9..1d4e416 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (atkmm-2.28.3.tar.xz) = ebc25e9de4b9de6df7097ab485fb0675d8c83113d99a444eec91df0908073362bfdaa9b03fc4c3e91766109d9b94b88df041851176ecde578cf932b526ef678e
+SHA512 (atkmm-2.28.4.tar.xz) = 30a714971234aebf06a04abeff5fc3b6951b56130aaddbd1a92856b3fb87cf9ba3c34539465b7f0905f871d763239642efe7904b24f33f11e57bf013e4bca533