diff --git a/readme.markdown b/readme.markdown
index 027c6f8..b087fe2 100644
--- a/readme.markdown
+++ b/readme.markdown
@@ -34,7 +34,7 @@ Usage
 <a href="photo2.jpg">Image 2</a>
 </div>
 
-<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
+<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
 <script src="lightbox.min.js"></script>
 
 <script>