diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea11490..dff680d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Change log
 
+v1.2.1
+* Add Fork me on Github button
+
 v1.2.0 (2013/09/27)
 
 * Upgrade jQuery to 1.10.2 and 2.0.3
diff --git a/index.html b/index.html
index 242ce05..fb98a18 100644
--- a/index.html
+++ b/index.html
@@ -121,6 +121,9 @@ <h4 class="modal-title">About Responsive Test</h4>
     </div>
     <!-- :dest-iframe -->
 
+    <!-- fork-me -->
+    <a href="https://github.com/nghuuphuoc/responsivetest"><img style="position: absolute; top: 0; right: 0; border: 0; z-index: 9999;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_red_aa0000.png" alt="Fork ResponsiveTest on GitHub"></a>
+
 <script type="text/javascript">
 var _gaq = _gaq || [];
 _gaq.push(['_setAccount', 'UA-4752571-14']);