diff --git a/HaLeX.cabal b/HaLeX.cabal
index 5f09700..a4cfdc3 100644
--- a/HaLeX.cabal
+++ b/HaLeX.cabal
@@ -1,5 +1,5 @@
 name:                HaLeX
-version:             1.2
+version:             1.2.1
 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.
@@ -17,7 +17,7 @@ homepage:            http://www.di.uminho.pt/~jas/Research/HaLeX/HaLeX.html
 tested-with:         GHC==6.8.2
 Cabal-Version:       >= 1.2
 build-type:          Simple
-data-files:          README, INSTALL, paper/HaLeX.ps, example/README, example/real_dfa.ps, example/real_ndfa.ps
+data-files:          README.md, INSTALL, paper/HaLeX.ps, example/README, example/real_dfa.ps, example/real_ndfa.ps
 extra-source-files:  scripts/Make_Animation, scripts/faAnim.lefty, example/real, example/real_dfa.hs,
                      example/real_ndfa.hs, example/GenMDfa.hs
 Library
diff --git a/LICENSE b/LICENSE
index 32ce03a..cc24200 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_1.1.tgz"
\ No newline at end of file
+The HaLeX system is public domain and it is available as a gzipped tar file at: HaLeX_1.2.1.tgz"
\ No newline at end of file
diff --git a/README.md b/README.md
index 16393fd..d66c4c2 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Copyright João Saraiva
           jas@di.uminho.pt
 
 
-Version: 1.1 (January, 2005)
+Version: 1.2.1 (October, 2013)
 
 
 1- What is HaleX