diff --git a/index.html b/index.html
index 2f69c28..563bfd4 100644
--- a/index.html
+++ b/index.html
@@ -23,7 +23,7 @@
     </style>
 
     <!-- jQuery -->
-    <script src="https://code.jquery.com/jquery-1.8.2.min.js"></script>
+    <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
 
     <!-- jQuery Popup Overlay -->
     <script src="jquery.popupoverlay.js"></script>
@@ -230,7 +230,7 @@ <h2>Usage</h2>
   &lt;/div&gt;
 
   &lt;!-- Include jQuery --&gt;
-  &lt;script src="<a href="https://code.jquery.com/jquery-1.8.2.min.js">https://code.jquery.com/jquery-1.8.2.min.js</a>"&gt;&lt;/script&gt;
+  &lt;script src="<a href="https://code.jquery.com/jquery-3.3.1.slim.min.js">https://code.jquery.com/jquery-3.3.1.slim.min.js</a>"&gt;&lt;/script&gt;
 
   &lt;!-- Include jQuery Popup Overlay --&gt;
   &lt;script src="<a href="https://cdn.jsdelivr.net/gh/vast-engineering/jquery-popup-overlay@2/jquery.popupoverlay.min.js">https://cdn.jsdelivr.net/gh/vast-engineering/jquery-popup-overlay@2/jquery.popupoverlay.min.js</a>"&gt;
@@ -260,7 +260,7 @@ <h2>Usage</h2>
 </code></pre>
 
         <h3>Example on CodePen</h3>
-        <p data-height="265" data-theme-id="0" data-slug-hash="gZbmyJ" data-default-tab="js,result" data-user="vladimirs" data-pen-title="jquery-popup-overlay example" class="codepen">See the Pen <a href="https://codepen.io/vladimirs/pen/gZbmyJ/">jquery-popup-overlay example</a> by Vladimirs (<a href="https://codepen.io/vladimirs">@vladimirs</a>) on <a href="https://codepen.io">CodePen</a>.</p>
+        <p data-height="265" data-theme-id="0" data-slug-hash="wRapwj" data-default-tab="js,result" data-user="vladimirs" data-pen-title="jquery-popup-overlay example" class="codepen">See the Pen <a href="https://codepen.io/vladimirs/pen/wRapwj/">jquery-popup-overlay example</a> by Vladimirs (<a href="https://codepen.io/vladimirs">@vladimirs</a>) on <a href="https://codepen.io">CodePen</a>.</p>
         <script async src="https://static.codepen.io/assets/embed/ei.js"></script>
 
         <h2>Options</h2>