diff --git a/gtk-3.99.4.tar.xz b/gtk-3.99.4.tar.xz
deleted file mode 100644
index 3d0ef98..0000000
--- a/gtk-3.99.4.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8979cb1eb6ad2a496e00e94674d23f90aefae5d3f23b623ffda0b35d11ec85d0
-size 19464736
diff --git a/gtk-4.0.0.tar.xz b/gtk-4.0.0.tar.xz
new file mode 100644
index 0000000..af786ba
--- /dev/null
+++ b/gtk-4.0.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d46cf5b127ea27dd9e5d2ff6ed500cb4067eeb2cb1cd2c313ccde8013b0b9bf9
+size 19487616
diff --git a/gtk4.changes b/gtk4.changes
index 530145b..48b4b8a 100644
--- a/gtk4.changes
+++ b/gtk4.changes
@@ -1,3 +1,84 @@
+-------------------------------------------------------------------
+Wed Dec 16 19:28:03 UTC 2020 - Bjørn Lie <bjorn.lie@gmail.com>
+
+- Update to version 4.0.0:
+  + Fix problems with synthetic motion events affecting frame rates
+  + Fix problems with implicit grabs affecting widget states
+  + Fix problems with zoom mode on scales getting stuck
+  + Fix submenu closing by outside clicks
+  + Rename GtkWindow:fullscreen to :fullscreened to help language
+    bindings
+  + Bump the soname. Stable GTK 4 releases use
+    libgtk-4.0.so.1.xxxx.y
+  + Adwaita:
+    - Reduce hover transition effects in lists
+    - Special-case header buttons
+  + Demos:
+    - Remove NoDisplay from desktop files
+    - Autoplay the video in widget-factory
+  + Updated translations.
+- Changes from version 3.99.5:
+  + Accessibility:
+    - Map presentation role according to Core-AAM
+    - Use presentation role for spacers in list views
+    - Set proper roles, relations and descriptions on more widgets
+    - Expand the documentation
+    - Use a single GTK_A11Y environment variable and document it
+    - Serveral memory leak and crash fixes
+    - Initialize AT contexts lazily
+    - Improve the API for storing lists in relations
+    - Implement more of the Component interface
+    - Implement the Cache interface
+    - Implement ScrollSubstringTo for GtkTextView
+  + Introspection:
+    - Add many missing annotations to APIs
+    - In particular, nullability annotation fixes for rust
+  + Touch support:
+    - Fix issues with text handles
+    - Fix interaction between touch scrolling and focus
+    - Fix active state updates for touch events
+    - Allow pressing buttons with multiple fingers
+  + GtkScrolledWindow: Accumulate velocity with kinetic scrolling
+  + GtkSearchEntry: Use a better clear icon
+  + GtkTreeView: Remove the deprecated
+    GtkCellRendererClass.get_size vfunc
+  + GtkBuilder:
+    - Be stricter about <requires>
+    - Make gtk-builder-tool simplify update <requires>
+  + GtkFileChooser: Remove GtkFileChooserButton
+  + GtkWindow:
+    - Replace gtk_window_get_size with gtk_window_get_default_size
+    - Add maximized and fullscreen properties
+  + Make the inspector available in non-debug builds
+  + CSS: Support conic gradients
+  + Adwaita:
+    - Round all window corners
+    - Round submenus
+    - Remove the 'chin' on menus
+    - Industrial style menuitems
+    - Improved tooltip styling
+    - Unified sidebar styles
+    - Dark prelight
+    - Don't backdrop labels
+  + GSK: Rename render node apis from peek to get
+  + Make GLES work in the absence of GL_ARB_timer_query
+  + Rework the way size allocation is integrated in the frame cycle
+  + Wayland:
+    - Support gtk_shell1 version 3 (startup notification and
+      activation)
+    - Implmement minimization
+  + Documentation:
+    - Add missing enumerations, symbols and types
+    - Lots of smaller fixes
+  + Demos:
+    - Make the constraints demo more useful
+    - Make search more obvious
+    - Add a suggestion entry demo
+    - Consistency improvements
+    - Use native file choosers
+    - Drop 'devel' styling
+  + Updated translations.
+
 -------------------------------------------------------------------
 Tue Nov 10 09:34:37 UTC 2020 - Bjørn Lie <bjorn.lie@gmail.com>
 
diff --git a/gtk4.spec b/gtk4.spec
index c5a361f..85ab830 100644
--- a/gtk4.spec
+++ b/gtk4.spec
@@ -20,15 +20,16 @@
 # When updating the binary version, do not forget to also update baselibs.conf
 %define gtk_binary_version 4.0.0
 %define _name gtk
+
 Name:           gtk4
-Version:        3.99.4
+Version:        4.0.0
 Release:        0
 Summary:        The GTK+ toolkit library (version 4)
 License:        LGPL-2.1-or-later
 Group:          Development/Libraries/X11
 URL:            https://www.gtk.org/
 
-Source:         https://download.gnome.org/sources/gtk/3.99/%{_name}-%{version}.tar.xz
+Source:         https://download.gnome.org/sources/gtk/4.0/%{_name}-%{version}.tar.xz
 Source2:        settings.ini
 Source3:        macros.gtk4
 Source98:       gtk4-rpmlintrc