diff --git a/setup.py b/setup.py
index d590002..6b4cb34 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@ def run_tests(self):
 
 setup(
     name='gender-guesser',
-    version='0.3.0',
+    version='0.4.0',
     author='Israel Saeta Pérez',
     author_email='israel@lead-ratings.com',
     packages=['gender_guesser'],