diff --git a/docs/source/conf.py b/docs/source/conf.py
index 67983b8..2982f14 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -29,7 +29,7 @@
 author = 'Thieu'
 
 # The full version, including alpha/beta/rc tags
-release = '1.0.3'
+release = '1.0.4'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 3c03300..c4d5288 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -6,7 +6,7 @@
 Welcome to OPFUNU's documentation!
 ==================================
 
-.. image:: https://img.shields.io/badge/release-1.0.3-yellow.svg
+.. image:: https://img.shields.io/badge/release-1.0.4-yellow.svg
    :target: https://github.com/thieu1995/opfunu/releases
 
 .. image:: https://img.shields.io/pypi/wheel/gensim.svg
diff --git a/docs/source/pages/quick_start.rst b/docs/source/pages/quick_start.rst
index 4a8006f..b85a198 100644
--- a/docs/source/pages/quick_start.rst
+++ b/docs/source/pages/quick_start.rst
@@ -8,7 +8,7 @@ Installation
 
 Install the `current PyPI release <https://pypi.python.org/pypi/opfunu/>`_::
 
-   $ pip install opfunu==1.0.3
+   $ pip install opfunu==1.0.4
 
 
 Or install the development version from GitHub::