diff --git a/netpbm.cabal b/netpbm.cabal
--- a/netpbm.cabal
+++ b/netpbm.cabal
@@ -1,5 +1,5 @@
 name:          netpbm
-version:       1.0.3
+version:       1.0.4
 license:       MIT
 copyright:     2013 Niklas Hambüchen <mail@nh2.me>
 author:        Niklas Hambüchen <mail@nh2.me>
@@ -7,7 +7,7 @@
 category:      Codec, Graphics
 build-type:    Simple
 stability:     experimental
-tested-With:   GHC==7.4.2
+tested-With:   GHC==7.4.2, GHC==9.0.1
 cabal-version: >= 1.10
 homepage:      https://github.com/nh2/haskell-netpbm
 bug-Reports:   https://github.com/nh2/haskell-netpbm/issues
@@ -18,24 +18,6 @@
   All netpbm image formats are implemented (P1 - P6).
   .
   The current implementation parses PPM images at around 10 MB/s on a Core i5-2520M.
-  .
-  CHANGELOG
-  .
-  Version 1.0.3
-  .
-  * Package maintenance improvements only (base-4.5 excluded). See #3
-  .
-  Version 1.0.2
-  .
-  * Package maintenance improvements only.
-  .
-  Version 1.0.1
-  .
-  * Added required Vector imports necessary for deriving Unbox instances.
-  .
-  Version 1.0.0
-  .
-  * Use storable instead of unboxed vectors to allow easier integration with Ptr based APIs.
 
 extra-source-files:
   test/ppms/SIPI-16.ppm
diff --git a/src/Graphics/Netpbm.hs b/src/Graphics/Netpbm.hs
--- a/src/Graphics/Netpbm.hs
+++ b/src/Graphics/Netpbm.hs
@@ -125,36 +125,6 @@
   PgmPixelData16 v    ->        [ fromIntegral x             | PgmPixel16 x        <- S.toList v ]
 
 
--- * Unbox instance for pixels
---
--- Not used internally, but an Unbox instance might be convenient for users.
-
-derivingUnbox "PpmPixelRGB8"
-    [t| PpmPixelRGB8 -> (Word8, Word8, Word8) |]
-    [| \ (PpmPixelRGB8 a b c) -> (a, b, c) |]
-    [| \ (a, b, c) -> PpmPixelRGB8 a b c |]
-
-derivingUnbox "PpmPixelRGB16"
-    [t| PpmPixelRGB16 -> (Word16, Word16, Word16) |]
-    [| \ (PpmPixelRGB16 a b c) -> (a, b, c) |]
-    [| \ (a, b, c) -> PpmPixelRGB16 a b c |]
-
-derivingUnbox "PbmPixel"
-    [t| PbmPixel -> Bool |]
-    [| \ (PbmPixel b) -> b |]
-    [| \ b -> PbmPixel b |]
-
-derivingUnbox "PgmPixel8"
-    [t| PgmPixel8 -> Word8 |]
-    [| \ (PgmPixel8 x) -> x |]
-    [| \ x -> PgmPixel8 x |]
-
-derivingUnbox "PgmPixel16"
-    [t| PgmPixel16 -> Word16 |]
-    [| \ (PgmPixel16 x) -> x |]
-    [| \ x -> PgmPixel16 x |]
-
-
 -- * Storable instance for pixels
 
 storePpmPixel8 :: Store.Dictionary PpmPixelRGB8
@@ -545,3 +515,33 @@
       Done rest images -> Right (images, Just rest)
       Partial _        -> error "parsePPM bug: Got a partial result after end of input"
       Fail _ cs e      -> Left $ e ++ "; contexts: " ++ show cs
+
+
+-- * Unbox instance for pixels
+--
+-- Not used internally, but an Unbox instance might be convenient for users.
+
+derivingUnbox "PpmPixelRGB8"
+    [t| PpmPixelRGB8 -> (Word8, Word8, Word8) |]
+    [| \ (PpmPixelRGB8 a b c) -> (a, b, c) |]
+    [| \ (a, b, c) -> PpmPixelRGB8 a b c |]
+
+derivingUnbox "PpmPixelRGB16"
+    [t| PpmPixelRGB16 -> (Word16, Word16, Word16) |]
+    [| \ (PpmPixelRGB16 a b c) -> (a, b, c) |]
+    [| \ (a, b, c) -> PpmPixelRGB16 a b c |]
+
+derivingUnbox "PbmPixel"
+    [t| PbmPixel -> Bool |]
+    [| \ (PbmPixel b) -> b |]
+    [| \ b -> PbmPixel b |]
+
+derivingUnbox "PgmPixel8"
+    [t| PgmPixel8 -> Word8 |]
+    [| \ (PgmPixel8 x) -> x |]
+    [| \ x -> PgmPixel8 x |]
+
+derivingUnbox "PgmPixel16"
+    [t| PgmPixel16 -> Word16 |]
+    [| \ (PgmPixel16 x) -> x |]
+    [| \ x -> PgmPixel16 x |]