diff --git a/Text/Subtitles/Datatypes.hs b/Text/Subtitles/Datatypes.hs
--- a/Text/Subtitles/Datatypes.hs
+++ b/Text/Subtitles/Datatypes.hs
@@ -11,8 +11,12 @@
 
 module Text.Subtitles.Datatypes 
   (
+  -- * Re-exported datatypes.
+  module Data.Attoparsec.Text,
+  module Data.Text,
+
   -- * Datatypes
-  Subtitles(..),
+  Subtitles,
   Line(..),
   Range(..),
   Time(..)
@@ -20,6 +24,7 @@
 
 import Data.List (intercalate)
 import Data.Text (Text, unpack)
+import Data.Attoparsec.Text (Parser)
 
 data Time = Time
   { hour    :: Int
diff --git a/Text/Subtitles/SRT.hs b/Text/Subtitles/SRT.hs
--- a/Text/Subtitles/SRT.hs
+++ b/Text/Subtitles/SRT.hs
@@ -13,6 +13,9 @@
   -- * Terminology of the module
   -- $example
   
+  -- * Re-exported Datatypes
+  module Text.Subtitles.Datatypes,
+
   -- * Main parsers
   parseSubtitles,
   parseSingleLine
@@ -66,7 +69,7 @@
 parseRange :: Parser Range
 parseRange = Range <$> parseTime <* arrowString <*> parseTime 
   where
-    arrowString :: Parser T.Text
+    arrowString :: Parser Text
     arrowString = string (T.pack " --> ") 
 
 parseTime :: Parser Time
@@ -77,7 +80,7 @@
 
 {- return the dialog checking for newlines that could be in there. that why is
  - written in a monad instead of applicative. more efficient version welcome -}
-parseSubs :: T.Text -> Parser T.Text
+parseSubs :: Text -> Parser Text
 parseSubs t = do 
   line <- takeWhile1 (not . isEndOfLine)
   endOfLine
diff --git a/subtitleParser.cabal b/subtitleParser.cabal
--- a/subtitleParser.cabal
+++ b/subtitleParser.cabal
@@ -1,5 +1,5 @@
 name:            subtitleParser
-version:         0.1
+version:         0.1.1
 license:         BSD3
 license-file:    LICENSE
 category:        Text, Parsing
@@ -23,7 +23,7 @@
   Default: False
 
 library
-  build-depends: base >= 3 && < 5,
+  build-depends: base < 5,
                  containers,
                  text >= 0.11.1.5,
                  attoparsec