diff --git a/changelog.md b/changelog.md
new file mode 100644
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,4 @@
+
+0.0.3.1
+
+* fix attoparsec module deprication warnings
diff --git a/lib/Pdf/Toolbox/Content/Parser.hs b/lib/Pdf/Toolbox/Content/Parser.hs
--- a/lib/Pdf/Toolbox/Content/Parser.hs
+++ b/lib/Pdf/Toolbox/Content/Parser.hs
@@ -9,8 +9,8 @@
 where
 
 import Data.Int
-import Data.Attoparsec.Char8 (Parser)
-import qualified Data.Attoparsec.Char8 as Parser
+import Data.Attoparsec.ByteString.Char8 (Parser)
+import qualified Data.Attoparsec.ByteString.Char8 as Parser
 import Data.IORef
 import Control.Applicative
 import Control.Exception
diff --git a/lib/Pdf/Toolbox/Content/UnicodeCMap.hs b/lib/Pdf/Toolbox/Content/UnicodeCMap.hs
--- a/lib/Pdf/Toolbox/Content/UnicodeCMap.hs
+++ b/lib/Pdf/Toolbox/Content/UnicodeCMap.hs
@@ -20,8 +20,8 @@
 import Data.Text (Text)
 import qualified Data.Text as Text
 import qualified Data.Text.Encoding as Text
-import Data.Attoparsec.Char8 (Parser, parseOnly)
-import qualified Data.Attoparsec.Char8 as P
+import Data.Attoparsec.ByteString.Char8 (Parser, parseOnly)
+import qualified Data.Attoparsec.ByteString.Char8 as P
 import Control.Monad
 
 -- | Unicode character map
diff --git a/pdf-toolbox-content.cabal b/pdf-toolbox-content.cabal
--- a/pdf-toolbox-content.cabal
+++ b/pdf-toolbox-content.cabal
@@ -1,14 +1,16 @@
 name:                pdf-toolbox-content
-version:             0.0.3.0
+version:             0.0.3.1
 synopsis:            A collection of tools for processing PDF files
 license:             BSD3
 license-file:        LICENSE
 author:              Yuras Shumovich
 maintainer:          Yuras Shumovich <shumovichy@gmail.com>
-copyright:           Copyright (c) Yuras Shumovich 2013
+copyright:           Copyright (c) Yuras Shumovich 2013-2014
 category:            PDF
 build-type:          Simple
 cabal-version:       >=1.8
+homepage:            https://github.com/Yuras/pdf-toolbox
+extra-source-files:  changelog.md
 description:
   Tools for processing PDF content streams
 
@@ -32,9 +34,9 @@
                        Pdf.Toolbox.Content.Encoding.MacRoman
   build-depends:       base >= 4.6 && < 4.8,
                        containers,
-                       attoparsec,
+                       attoparsec >= 0.10,
                        bytestring,
                        base16-bytestring,
                        text,
                        io-streams,
-                       pdf-toolbox-core ==0.0.2.*
+                       pdf-toolbox-core >=0.0.2.0 && <0.0.4