diff --git a/.gitignore b/.gitignore
index 65dacb3..59d7c2b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@
 /gtk-3.99.3.tar.xz
 /gtk-3.99.4.tar.xz
 /gtk-3.99.5.tar.xz
+/gtk-4.0.0.tar.xz
diff --git a/gtk4.spec b/gtk4.spec
index 6a9dd22..cdda821 100644
--- a/gtk4.spec
+++ b/gtk4.spec
@@ -16,13 +16,13 @@
 %global __provides_exclude_from ^%{_libdir}/gtk-4.0
 
 Name:           gtk4
-Version:        3.99.5
+Version:        4.0.0
 Release:        1%{?dist}
 Summary:        GTK graphical user interface library
 
 License:        LGPLv2+
 URL:            https://www.gtk.org
-Source0:        https://download.gnome.org/sources/gtk/3.99/gtk-%{version}.tar.xz
+Source0:        https://download.gnome.org/sources/gtk/4.0/gtk-%{version}.tar.xz
 Patch0:         %{name}-gcc11.patch
 
 BuildRequires:  cups-devel
@@ -152,14 +152,12 @@ mkdir -p $RPM_BUILD_ROOT%{_libdir}/gtk-4.0/%{bin_version}/theming-engines
 %check
 desktop-file-validate %{buildroot}%{_datadir}/applications/*.desktop
 
-%ldconfig_scriptlets
-
 %files -f gtk40.lang
 %license COPYING
 %doc AUTHORS NEWS README.md
 %{_bindir}/gtk4-launch
 %{_bindir}/gtk4-update-icon-cache
-%{_libdir}/libgtk-4.so.*
+%{_libdir}/libgtk-4.so.1*
 %dir %{_libdir}/gtk-4.0
 %dir %{_libdir}/gtk-4.0/%{bin_version}
 %{_libdir}/gtk-4.0/%{bin_version}/media/
@@ -181,7 +179,7 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/*.desktop
 %endif
 
 %files devel -f gtk40-properties.lang
-%{_libdir}/lib*.so
+%{_libdir}/libgtk-4.so
 %{_includedir}/*
 %{_libdir}/pkgconfig/*
 %{_bindir}/gtk4-builder-tool
@@ -218,6 +216,10 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/*.desktop
 %{_mandir}/man1/gtk4-widget-factory.1*
 
 %changelog
+* Wed Dec 16 2020 Kalev Lember <klember@redhat.com> - 4.0.0-1
+- Update to 4.0.0
+- Tighten soname globs
+
 * Fri Dec 11 2020 Kalev Lember <klember@redhat.com> - 3.99.5-1
 - Update to 3.99.5
 
diff --git a/sources b/sources
index 3988ddf..f653276 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gtk-3.99.5.tar.xz) = def20b1e62ca3b45cf8a7efb8d704930dafc5fedd1e2bb73d1f0ae947e76e3e1ff3774e0a14bf17cdf58a2d6b748f1c7d5e18af49d5b4a2a50e3789dbdbe9d3f
+SHA512 (gtk-4.0.0.tar.xz) = 5fe807bcdb59f0df2ad1cc5a28b654dbf90f5fa29bf9a4c69c9278543ab9a3e4f8b1712547fb2fd1f35711c438f78ee8a5cd1a509cf64f815274bb8c82023922