diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,13 +1,13 @@
-The gi-gtk3 library and included works are provided under the terms of the
+The gi-gtk4 library and included works are provided under the terms of the
 GNU Library General Public License (LGPL) version 2.1 with the following
 exception:
 
-Static linking of applications or any other source to the gi-gtk3 library
+Static linking of applications or any other source to the gi-gtk4 library
 does not constitute a modified or derivative work and does not require
 the author(s) to provide source code for said work, to link against the
-shared gi-gtk3 libraries, or to link their applications against a
-user-supplied version of gi-gtk3. If you link applications to a modified
-version of gi-gtk3, then the changes to gi-gtk3 must be provided under the
+shared gi-gtk4 libraries, or to link their applications against a
+user-supplied version of gi-gtk4. If you link applications to a modified
+version of gi-gtk4, then the changes to gi-gtk4 must be provided under the
 terms of the LGPL.
 
 ----------------------------------------------------------------------------
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
 # Information
-This is a compatibility package. For newer projects we recommend that you use [gi-gtk3](/package/gi-gtk3) instead.
+This is a compatibility package. For newer projects we recommend that you use [gi-gtk4](/package/gi-gtk4) instead.
diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -2,4 +2,4 @@
 import qualified GI.Gtk.Config as Cfg
 
 main :: IO ()
-main = setupCompatWrapper "gi-gtk3" Cfg.modules
+main = setupCompatWrapper "gi-gtk4" Cfg.modules
diff --git a/gi-gtk.cabal b/gi-gtk.cabal
--- a/gi-gtk.cabal
+++ b/gi-gtk.cabal
@@ -1,8 +1,8 @@
 name:           gi-gtk
-version:        3.0.44
-synopsis:       Gtk 3.x bindings (compatibility layer)
+version:        4.0.12
+synopsis:       Gtk 4.x bindings (compatibility layer)
 description:    This package re-exports (for backward compatibility)
-                the haskell-gi generated bindings in the gi-gtk3 package.
+                the haskell-gi generated bindings in the gi-gtk4 package.
 homepage:       https://github.com/haskell-gi/haskell-gi
 license:        LGPL-2.1
 license-file:   LICENSE
@@ -18,12 +18,12 @@
  setup-depends:
    base >= 4.11 && <5,
    haskell-gi ^>= 0.26.14,
-   gi-gtk3 ^>= 3.0.44
+   gi-gtk4 ^>= 4.0.12
 
 library
     ghc-options: -Wall
 
     build-depends: base >= 4.11 && <5,
-                   gi-gtk3 ^>= 3.0.44
+                   gi-gtk4 ^>= 4.0.12
 
     default-language: Haskell2010
