diff --git a/README.md b/README.md
index bc0986a..55f5115 100644
--- a/README.md
+++ b/README.md
@@ -7,14 +7,14 @@ homepage: https://github.com/qiao/javascript-playground
 
 ### Project List ###
 
-1. [Visual Befunge93 Interpreter](http://qiao.github.com/javascript-playground/befunge93/)
+1. [Visual Befunge93 Interpreter](https://qiao.github.io/javascript-playground/visual-befunge93-interpreter/)
 
     Visual Befunge93 interpreter using HTML5 canvas. This is my first attempt on Javascript, so the code is a bit messy.
 
-2. [WebGL Tree](http://qiao.github.com/javascript-playground/webgl-tree/)
+2. [WebGL Tree](https://qiao.github.io/javascript-playground/webgl-tree/)
 
     A simple demo using the awesome [Three.js](https://github.com/mrdoob/three.js) to generate a tree by recursion. 
 
-3. [Vigenere Cipher](http://qiao.github.com/javascript-playground/vigenere-cipher/)
+3. [Vigenere Cipher](https://qiao.github.io/javascript-playground/vigenere-cipher/)
 
     A demo of cracking Vigenere cipher. This is my homework for Cryptography and Network Security.