diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+### 2.0.26
+
++ Mark the return value of [appInfoGetIcon](https://hackage.haskell.org/package/gi-gio/docs/GI-Gio-Interfaces-AppInfo.html#v:appInfoGetIcon) as nullable.
+
 ### 2.0.25
 
 + Update for haskell-gi(-base)-0.23
diff --git a/Gio.overrides b/Gio.overrides
--- a/Gio.overrides
+++ b/Gio.overrides
@@ -13,6 +13,9 @@
 # Properly marked as filename in recent Gio versions.
 set-attr Gio/AppInfo/get_executable/@return-value/@type name filename
 
+# The return value is nullable, but it is not marked as such.
+set-attr Gio/AppInfo/get_icon/@return-value nullable 1
+
 # Return value is nullable, but not marked as such.
 # https://github.com/haskell-gi/haskell-gi/issues/139
 set-attr Gio/Volume/get_mount/@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-gio-2.0.25/docs/GI-Gio.html](https://hackage.haskell.org/package/gi-gio-2.0.25/docs/GI-Gio.html)
+[https://hackage.haskell.org/package/gi-gio-2.0.26/docs/GI-Gio.html](https://hackage.haskell.org/package/gi-gio-2.0.26/docs/GI-Gio.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/gi-gio.cabal b/gi-gio.cabal
--- a/gi-gio.cabal
+++ b/gi-gio.cabal
@@ -1,5 +1,5 @@
 name:                 gi-gio
-version:              2.0.25
+version:              2.0.26
 synopsis:             Gio bindings
 description:          Bindings for Gio, autogenerated by haskell-gi.
 homepage:             https://github.com/haskell-gi/haskell-gi
@@ -148,6 +148,7 @@
                        GI.Gio.Objects.MenuLinkIter,
                        GI.Gio.Objects.MenuModel,
                        GI.Gio.Objects.MountOperation,
+                       GI.Gio.Objects.NativeSocketAddress,
                        GI.Gio.Objects.NativeVolumeMonitor,
                        GI.Gio.Objects.NetworkAddress,
                        GI.Gio.Objects.NetworkService,
@@ -221,7 +222,6 @@
                        GI.Gio.Structs.IOStreamAdapter,
                        GI.Gio.Structs.InputMessage,
                        GI.Gio.Structs.InputVector,
-                       GI.Gio.Structs.NativeSocketAddress,
                        GI.Gio.Structs.OutputMessage,
                        GI.Gio.Structs.OutputVector,
                        GI.Gio.Structs.Resource,
@@ -332,6 +332,7 @@
                        GI.Gio.Objects.MenuLinkIter,
                        GI.Gio.Objects.MenuModel,
                        GI.Gio.Objects.MountOperation,
+                       GI.Gio.Objects.NativeSocketAddress,
                        GI.Gio.Objects.NativeVolumeMonitor,
                        GI.Gio.Objects.NetworkAddress,
                        GI.Gio.Objects.NetworkService,
@@ -405,7 +406,6 @@
                        GI.Gio.Structs.IOStreamAdapter,
                        GI.Gio.Structs.InputMessage,
                        GI.Gio.Structs.InputVector,
-                       GI.Gio.Structs.NativeSocketAddress,
                        GI.Gio.Structs.OutputMessage,
                        GI.Gio.Structs.OutputVector,
                        GI.Gio.Structs.Resource,