diff --git a/setup.py b/setup.py
index b98a7f42c..b7adfece1 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name='bayesian-optimization',
-    version="1.4.0",
+    version="1.4.1",
     url='https://github.com/fmfn/BayesianOptimization',
     packages=find_packages(),
     author='Fernando Nogueira',