diff --git a/index.html b/index.html
index 4e48230..b0f8707 100644
--- a/index.html
+++ b/index.html
@@ -17,6 +17,8 @@ <h3>CS184/284A Homework Webpages</h3>
 		<a href="/proj2/index.html">CS180 Proj2</a>
 		<br><br>
 		<a href="/proj3/index.html">CS180 Proj3</a>
+		<br><br>
+		<a href="/proj4/index.html">CS180 Proj4</a>
 	</body>
 	<script>
 		var links = document.body.getElementsByTagName("a")