diff --git a/haskell-gi.cabal b/haskell-gi.cabal
--- a/haskell-gi.cabal
+++ b/haskell-gi.cabal
@@ -1,5 +1,5 @@
 name:                haskell-gi
-version:             0.8
+version:             0.9
 synopsis:            Generate Haskell bindings for GObject Introspection capable libraries
 description:         Generate Haskell bindings for GObject Introspection capable libraries. This includes most notably
                      Gtk+, but many other libraries in the GObject ecosystem provide introspection data too.
@@ -36,7 +36,7 @@
                        bytestring,
                        xdg-basedir,
                        xml-conduit >= 1.3.0,
-                       haskell-gi-base == 0.8,
+                       haskell-gi-base == 0.9,
                        text >= 1.0,
                        free
 
diff --git a/src/haskell-gi.hs b/src/haskell-gi.hs
--- a/src/haskell-gi.hs
+++ b/src/haskell-gi.hs
@@ -7,6 +7,7 @@
 import Control.Monad (forM_, when, (>=>))
 import Control.Exception (handle)
 
+import Data.Char (toLower)
 import Data.Bool (bool)
 import Data.List (intercalate)
 import Data.Text (pack, unpack, Text)
@@ -171,7 +172,7 @@
             codeToString signalCode
 
   when (optCabal options) $ do
-    let cabal = nm ++ ".cabal"
+    let cabal = "gi-" ++ map toLower nm ++ ".cabal"
     fname <- doesFileExist cabal >>=
              bool (return cabal)
                   (putStrLn (cabal ++ " exists, writing "