diff --git a/VERSION b/VERSION
index 8294c18..446ba66 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.1.2
\ No newline at end of file
+0.1.4
\ No newline at end of file
diff --git a/exts/ndd.f90 b/exts/ndd.f90
index 9b4b160..04773cc 100644
--- a/exts/ndd.f90
+++ b/exts/ndd.f90
@@ -1,8 +1,6 @@
 ! Copyright (C) 2016, Simone Marsili 
 ! All rights reserved.
 ! License: BSD 3 clause
-! Version: 0.0.1
-! Author: Simone Marsili (simomarsili@gmail.com)
 
 module constants
   use iso_fortran_env
diff --git a/ndd.py b/ndd.py
index 3d7da4c..3ff96bc 100644
--- a/ndd.py
+++ b/ndd.py
@@ -24,7 +24,7 @@
 
 __copyright__ = "Copyright (C) 2016 Simone Marsili"
 __license__   = "BSD 3 clause"
-__version__   = "0.1.2"
+__version__   = "0.1.4"
 __author__    = "Simone Marsili (simomarsili@gmail.com)"
 __all__ = ['entropy','histogram']
 
diff --git a/requirements.txt b/requirements.txt
index b43028e..d0f005b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-numpy==1.11.1
+numpy>=1.11.1