diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+### 4.0.11
+
++ Mark the return value of [Gtk.printOperationGetDefaultPageSetup](https://hackage.haskell.org/package/gi-gtk/docs/GI-Gtk-Objects-PrintOperation.html#v:printOperationGetDefaultPageSetup) as nullable, see [issue 461](https://github.com/haskell-gi/haskell-gi/issues/461).
+
 ### 4.0.10
 
 + Drop dependency on gi-gtk, see [issue 459](https://github.com/haskell-gi/haskell-gi/issues/459).
diff --git a/Gtk.overrides b/Gtk.overrides
--- a/Gtk.overrides
+++ b/Gtk.overrides
@@ -28,3 +28,7 @@
 # It is useful to expose these class structs when deriving new types
 set-attr Gtk/WidgetClass haskell-gi-force-visible 1
 set-attr Gtk/ContainerClass haskell-gi-force-visible 1
+
+# The returned value is nullable, but it is not marked as such in the
+# introspection data.
+set-attr Gtk/PrintOperation/get_default_page_setup/@return-value nullable 1
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Documentation
 Autogenerated documentation for this package can be found at
 
-[https://hackage.haskell.org/package/gi-gtk-4.0.10/docs/GI-Gtk.html](https://hackage.haskell.org/package/gi-gtk-4.0.10/docs/GI-Gtk.html)
+[https://hackage.haskell.org/package/gi-gtk-4.0.11/docs/GI-Gtk.html](https://hackage.haskell.org/package/gi-gtk-4.0.11/docs/GI-Gtk.html)
 
 For general documentation on using [haskell-gi](https://github.com/haskell-gi/haskell-gi) based bindings, see [the project page](https://github.com/haskell-gi/haskell-gi) or [the Wiki](https://github.com/haskell-gi/haskell-gi/wiki).
diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -18,7 +18,7 @@
   where name = "Gtk"
         version = "4.0"
         pkgName = "gi-gtk"
-        pkgVersion = "4.0.10"
+        pkgVersion = "4.0.11"
         overridesFile = Just "Gtk.overrides"
         verbose = False
         outputDir = Nothing
diff --git a/gi-gtk.cabal b/gi-gtk.cabal
--- a/gi-gtk.cabal
+++ b/gi-gtk.cabal
@@ -1,5 +1,5 @@
 name:                 gi-gtk
-version:              4.0.10
+version:              4.0.11
 synopsis:             Gtk bindings
 description:          Bindings for Gtk, autogenerated by haskell-gi.
 homepage:             https://github.com/haskell-gi/haskell-gi