diff --git a/GI/GdkPixbuf/Structs/Pixdata.hs b/GI/GdkPixbuf/Structs/Pixdata.hs
--- a/GI/GdkPixbuf/Structs/Pixdata.hs
+++ b/GI/GdkPixbuf/Structs/Pixdata.hs
@@ -96,9 +96,14 @@
 import qualified GI.GLib as GLib
 
 newtype Pixdata = Pixdata (ForeignPtr Pixdata)
+instance WrappedPtr Pixdata where
+    wrappedPtrCalloc = callocBytes 32
+    wrappedPtrCopy = copyPtr 32
+    wrappedPtrFree = Just ptr_to_g_free
+
 -- | Construct a `Pixdata` struct initialized to zero.
 newZeroPixdata :: MonadIO m => m Pixdata
-newZeroPixdata = liftIO $ callocBytes 32 >>= wrapPtr Pixdata
+newZeroPixdata = liftIO $ wrappedPtrCalloc >>= wrapPtr Pixdata
 
 instance tag ~ 'AttrSet => Constructible Pixdata tag where
     new _ attrs = do
diff --git a/GI/GdkPixbuf/Structs/Pixdata.hs-boot b/GI/GdkPixbuf/Structs/Pixdata.hs-boot
--- a/GI/GdkPixbuf/Structs/Pixdata.hs-boot
+++ b/GI/GdkPixbuf/Structs/Pixdata.hs-boot
@@ -8,6 +8,7 @@
 import qualified Data.Map as Map
 
 newtype Pixdata = Pixdata (ForeignPtr Pixdata)
+instance WrappedPtr Pixdata where
 data PixdataDeserializeMethodInfo
 data PixdataSerializeMethodInfo
 data PixdataToCsourceMethodInfo
diff --git a/gi-gdkpixbuf.cabal b/gi-gdkpixbuf.cabal
--- a/gi-gdkpixbuf.cabal
+++ b/gi-gdkpixbuf.cabal
@@ -1,6 +1,6 @@
 -- Autogenerated, do not edit.
 name:               gi-gdkpixbuf
-version:            0.2.32.14
+version:            0.2.32.15
 synopsis:           GdkPixbuf bindings
 description:        Bindings for GdkPixbuf, autogenerated by haskell-gi.
 homepage:           https://github.com/haskell-gi/haskell-gi
@@ -35,10 +35,10 @@
                         GI.GdkPixbuf.Structs.Pixdata
     pkgconfig-depends:  gdk-pixbuf-2.0 >= 2.32
     build-depends: base >= 4.7 && <5,
-        haskell-gi-base >= 0.14 && < 1,
-        gi-glib >= 0.2.46.14 && < 0.2.47,
-        gi-gobject >= 0.2.46.14 && < 0.2.47,
-        gi-gio >= 0.2.46.14 && < 0.2.47,
+        haskell-gi-base >= 0.15 && < 1,
+        gi-glib >= 0.2.46.15 && < 0.2.47,
+        gi-gobject >= 0.2.46.15 && < 0.2.47,
+        gi-gio >= 0.2.46.15 && < 0.2.47,
         bytestring >= 0.10,
         containers >= 0.5,
         text >= 1.0,