diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,8 @@
+# 0.4.1.3
+
+* Raise upper bound dependency on `attoparsec`.
+
+
 # 0.4.1.2
 
 * Raise upper bound dependency on `aeson`.
diff --git a/pipes-aeson.cabal b/pipes-aeson.cabal
--- a/pipes-aeson.cabal
+++ b/pipes-aeson.cabal
@@ -1,8 +1,8 @@
 name:               pipes-aeson
-version:            0.4.1.2
+version:            0.4.1.3
 license:            BSD3
 license-file:       LICENSE
-copyright:          Copyright (c) Renzo Carbonara 2013-2014
+copyright:          Copyright (c) Renzo Carbonara 2013-2015
 author:             Renzo Carbonara
 maintainer:         renzocarbonaraλgmail.com
 stability:          Experimental
@@ -31,7 +31,7 @@
   other-modules:   Pipes.Aeson.Internal
   build-depends:
       aeson            (>=0.6.1 && <0.9)
-    , attoparsec       (>=0.10  && <0.13)
+    , attoparsec       (>=0.10  && <0.14)
     , base             (>=4.5   && <5.0)
     , pipes            (>=4.1   && <4.2)
     , pipes-attoparsec (>=0.5   && <0.6)
diff --git a/src/Pipes/Aeson.hs b/src/Pipes/Aeson.hs
--- a/src/Pipes/Aeson.hs
+++ b/src/Pipes/Aeson.hs
@@ -93,13 +93,11 @@
 -- 'Ae.FromJSON' instance.
 --
 -- Any of those steps can fail, in which case a 'I.DecodingError' will report
--- the precise error and at which the step it happened.
+-- the precise error and at which step it happened.
 
 
 -- | Decodes an 'Ae.Object' or 'Ae.Array' JSON value from the underlying state.
 --
--- Returns either the decoded entitiy, or a 'I.DecodingError' in case of error.
---
 -- It returns 'Nothing' if the underlying 'Producer' is exhausted, otherwise
 -- it returns either the decoded entity or a 'I.DecodingError' in case of error.
 --
@@ -178,4 +176,4 @@
 --------------------------------------------------------------------------------
 -- Internal tools --------------------------------------------------------------
 
-type Lens' s a = forall f . Functor f => (a -> f a) -> (s -> f s)
+type Lens' s a = forall f . Functor f => (a -> f a) -> s -> f s
diff --git a/src/Pipes/Aeson/Internal.hs b/src/Pipes/Aeson/Internal.hs
--- a/src/Pipes/Aeson/Internal.hs
+++ b/src/Pipes/Aeson/Internal.hs
@@ -75,8 +75,6 @@
 -- | Decodes a 'Ae.FromJSON' value from the underlying state using the given
 -- 'Attoparsec.Parser' in order to obtain an 'Ae.Value' first.
 --
--- Returns either the decoded entitiy, or a 'I.DecodingError' in case of error.
---
 -- It returns 'Nothing' if the underlying 'Producer' is exhausted, otherwise
 -- it returns either the decoded entity or a 'I.DecodingError' in case of error.
 decodeL
diff --git a/src/Pipes/Aeson/Unchecked.hs b/src/Pipes/Aeson/Unchecked.hs
--- a/src/Pipes/Aeson/Unchecked.hs
+++ b/src/Pipes/Aeson/Unchecked.hs
@@ -43,7 +43,7 @@
 -- instance, not just 'Ae.Array' or 'Ae.Object'.
 decode
   :: (Monad m, Ae.FromJSON a)
-  => Pipes.Parser B.ByteString m ((Maybe (Either I.DecodingError a))) -- ^
+  => Pipes.Parser B.ByteString m (Maybe (Either I.DecodingError a)) -- ^
 decode = fmap (fmap snd) `liftM` decodeL
 {-# INLINABLE decode #-}
 
@@ -97,4 +97,4 @@
 --------------------------------------------------------------------------------
 -- Internal tools --------------------------------------------------------------
 
-type Lens' s a = forall f . Functor f => (a -> f a) -> (s -> f s)
+type Lens' s a = forall f . Functor f => (a -> f a) -> s -> f s