diff --git a/index.html b/index.html
index f00857281..16d6cae6e 100644
--- a/index.html
+++ b/index.html
@@ -58,7 +58,7 @@ function sitesearch() {
     <li><A HREF="doc/gf-quickstart.html">QuickStart</A>
     <li><A HREF="doc/gf-reference.html">QuickRefCard</A>
     <li><A HREF="doc/gf-shell-reference.html">GF Shell Reference</A>
-    <li><a href="http://school.grammaticalframework.org/2015/"><b>GF Summer School</b></a>.
+    <li><a href="http://school.grammaticalframework.org/2017/"><b>GF Summer School</b></a>.
   </ul>
   <ul>
     <li><A HREF="gf-book">The GF Book</A>