diff --git a/PangoCairo.overrides b/PangoCairo.overrides
new file mode 100644
--- /dev/null
+++ b/PangoCairo.overrides
@@ -0,0 +1,14 @@
+namespace PangoCairo
+
+# Generated from pangocairo 1.40.1 with xsltproc Nullable.xslt PangoCairo-1.0.gir
+set-attr PangoCairo/Font/get_scaled_font/@return-value nullable 1
+set-attr PangoCairo/FontMap/new_for_font_type/@return-value nullable 1
+set-attr PangoCairo/FontMap/set_default/@parameters/fontmap nullable 1
+set-attr PangoCairo/ShapeRendererFunc/@parameters/data nullable 1
+set-attr PangoCairo/context_get_font_options/@return-value nullable 1
+set-attr PangoCairo/context_get_shape_renderer/@return-value nullable 1
+set-attr PangoCairo/context_get_shape_renderer/@parameters/data nullable 1
+set-attr PangoCairo/context_set_font_options/@parameters/options nullable 1
+set-attr PangoCairo/context_set_shape_renderer/@parameters/func nullable 1
+set-attr PangoCairo/context_set_shape_renderer/@parameters/data nullable 1
+set-attr PangoCairo/font_map_new_for_font_type/@return-value nullable 1
diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -6,6 +6,6 @@
 main = setupHaskellGIBinding name version verbose overridesFile outputDir
   where name = "PangoCairo"
         version = "1.0"
-        overridesFile = Nothing
+        overridesFile = Just "PangoCairo.overrides"
         verbose = False
         outputDir = Nothing
diff --git a/gi-pangocairo.cabal b/gi-pangocairo.cabal
--- a/gi-pangocairo.cabal
+++ b/gi-pangocairo.cabal
@@ -1,5 +1,5 @@
 name:                 gi-pangocairo
-version:              1.0.4
+version:              1.0.5
 synopsis:             PangoCairo bindings
 description:          Bindings for PangoCairo, autogenerated by haskell-gi.
 homepage:             https://github.com/haskell-gi/haskell-gi
@@ -11,8 +11,11 @@
 build-type:           Custom
 cabal-version:        >= 1.24
 
+extra-source-files: PangoCairo.overrides
+
 custom-setup
       setup-depends: base >= 4.7 && < 5,
+                     Cabal >= 1.24,
                      haskell-gi >= 0.17.3 && < 1
 
 library