diff --git a/index.html b/index.html
index 5084c92a6..bc96c6ba3 100644
--- a/index.html
+++ b/index.html
@@ -64,9 +64,9 @@
     <ul class="mb-2">
       <li><a href="doc/gf-developers.html">Developers Guide</a></li>
       <!-- <li><a href="/~hallgren/gf-experiment/browse/">Browse Source Code</a></li> -->
-      <li><a href="http://hackage.haskell.org/package/gf/docs/PGF.html">PGF library API (Haskell runtime)</a></li>
+      <li><a href="http://hackage.haskell.org/package/gf-3.9/docs/PGF.html">PGF library API (Haskell runtime)</a></li>
       <li><a href="doc/runtime-api.html">PGF library API (C runtime)</a></li>
-      <li><a href="http://hackage.haskell.org/package/gf/docs/GF.html">GF compiler API</a></li>
+      <li><a href="http://hackage.haskell.org/package/gf-3.9/docs/GF.html">GF compiler API</a></li>
       <!-- <li><a href="src/ui/android/README">GF on Android (new)</a></li>
       <li><a href="/android/">GF on Android (old) </a></li> -->
       <li><a href="doc/gf-editor-modes.html">Text Editor Support</a></li>