diff --git a/HaLeX.cabal b/HaLeX.cabal
index 274c1f5..dfb9978 100644
--- a/HaLeX.cabal
+++ b/HaLeX.cabal
@@ -1,5 +1,5 @@
 name:                HaLeX
-version:             1.2.1
+version:             1.2.2
 synopsis:            HaLeX enables modelling, manipulation and animation of regular languages
 description:         This library was developed in the context of a programming methodology course for
                      undergraduate students, and as a consequence, it was defined mainly for educational purposes.
diff --git a/HaLeX_lib/Language/HaLex/RegExpParser.hs b/HaLeX_lib/Language/HaLex/RegExpParser.hs
index 9eb96b0..ec65f9b 100644
--- a/HaLeX_lib/Language/HaLex/RegExpParser.hs
+++ b/HaLeX_lib/Language/HaLex/RegExpParser.hs
@@ -21,6 +21,7 @@
 module Language.HaLex.RegExpParser ( parseRegExp
                                    ) where
 
+import Prelude hiding ((<$>), (<*>))
 import Data.Char
 import Language.HaLex.Parser
 import Language.HaLex.RegExp
diff --git a/INSTALL b/INSTALL
index e27d8d1..2a5345a 100644
--- a/INSTALL
+++ b/INSTALL
@@ -12,7 +12,7 @@ copyright Jo
           jas@di.uminho.pt
 
 
-Version: 1.1 (January, 2005)
+Version: 1.2.2 (August, 2016)
 
 
 - halex batch tool
diff --git a/LICENSE b/LICENSE
index cc24200..ca3bb84 100644
--- a/LICENSE
+++ b/LICENSE
@@ -2,4 +2,4 @@ From <http://www.di.uminho.pt/~jas/Research/HaLeX/HaLeX.html>:
 
 "6- Where to get the software
 
-The HaLeX system is public domain and it is available as a gzipped tar file at: HaLeX_1.2.1.tgz"
\ No newline at end of file
+The HaLeX system is public domain and it is available as a gzipped tar file at: HaLeX_1.2.2.tgz"
\ No newline at end of file
diff --git a/README.md b/README.md
index d66c4c2..2e1f424 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Copyright João Saraiva
           jas@di.uminho.pt
 
 
-Version: 1.2.1 (October, 2013)
+Version: 1.2.2 (August, 2016)
 
 
 1- What is HaleX