diff --git a/src/ParseLib/Abstract/Derived.hs b/src/ParseLib/Abstract/Derived.hs
--- a/src/ParseLib/Abstract/Derived.hs
+++ b/src/ParseLib/Abstract/Derived.hs
@@ -28,7 +28,7 @@
   )
   where
 
-import Prelude hiding ((>>=), sequence)
+import Prelude hiding ((>>=), (<$), (<*), (*>), sequence)
 import ParseLib.Abstract.Core
 
 infixl 4 <$
diff --git a/src/ParseLib/Parallel/Derived.hs b/src/ParseLib/Parallel/Derived.hs
--- a/src/ParseLib/Parallel/Derived.hs
+++ b/src/ParseLib/Parallel/Derived.hs
@@ -28,7 +28,7 @@
   )
   where
 
-import Prelude hiding ((>>=), sequence)
+import Prelude hiding ((>>=), sequence, (<$), (<*), (*>))
 import ParseLib.Parallel.Core
 
 infixl 4 <$
diff --git a/src/ParseLib/Simple/Applications.hs b/src/ParseLib/Simple/Applications.hs
--- a/src/ParseLib/Simple/Applications.hs
+++ b/src/ParseLib/Simple/Applications.hs
@@ -14,6 +14,7 @@
   )
   where
 
+import Prelude hiding ((<$>), (<$), (<*>), (<*), (*>))
 import Data.Char
 import ParseLib.Simple.Core
 import ParseLib.Simple.Derived
diff --git a/src/ParseLib/Simple/Core.hs b/src/ParseLib/Simple/Core.hs
--- a/src/ParseLib/Simple/Core.hs
+++ b/src/ParseLib/Simple/Core.hs
@@ -20,7 +20,7 @@
   )
   where
 
-import Prelude hiding ((>>=))
+import Prelude hiding ((>>=), (<*>), (<$>), pure)
 
 -- | An input string is mapped to a list of successful parses.
 -- For each succesful parse, we return the result of type 'r',
diff --git a/src/ParseLib/Simple/Derived.hs b/src/ParseLib/Simple/Derived.hs
--- a/src/ParseLib/Simple/Derived.hs
+++ b/src/ParseLib/Simple/Derived.hs
@@ -28,7 +28,7 @@
   )
   where
 
-import Prelude hiding ((>>=), sequence)
+import Prelude hiding ((>>=), (<$), (<*), (*>), (<*>), (<$>), sequence)
 import ParseLib.Simple.Core
 
 infixl 4 <$
diff --git a/uu-tc.cabal b/uu-tc.cabal
--- a/uu-tc.cabal
+++ b/uu-tc.cabal
@@ -1,12 +1,14 @@
 cabal-version: >= 1.6
 name:          uu-tc
-version:       2009.2.2
+version:       2015.1.1
 license:       BSD3
 license-file:  LICENSE
 author:        Andres Loeh <andres@cs.uu.nl>,
                Johan Jeuring <johanj@cs.uu.nl>,
-               Doaitse Swierstra <doaitse@cs.uu.nl>
-maintainer:    Jurriën Stutterheim <j.stutterheim@uu.nl>
+               Doaitse Swierstra <doaitse@cs.uu.nl>,
+               Adolfo Ochagavía <aochagavia92@gmail.com>
+maintainer:    Jurriën Stutterheim <j.stutterheim@uu.nl>,
+               João Paulo Pizani Flor <J.P.PizaniFlor@uu.nl>
 description:
   Course software for INFOB3TC (Languages & Compilers)
   .