diff --git a/doc/index.html b/doc/index.html
index 4f5aa59..e182fff 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -97,7 +97,7 @@ href="https://sourceforge.net/project/showfiles.php?group_id=67586&package_i
 <td></td>
 <td align="right"><b>Source</b></td>
 <td></td>
-<td align="left"><a href="http://prdownloads.sourceforge.net/glew/glew-1.3.6-src.zip?download">ZIP</a>&nbsp;|&nbsp;<a href="http://prdownloads.sourceforge.net/glew/glew-1.3.6-src.tgz?download">TGZ</a></td>
+<td align="left"><a href="https://sourceforge.net/project/downloading.php?group_id=67586&filename=glew-1.3.6-src.zip">ZIP</a>&nbsp;|&nbsp;<a href="https://sourceforge.net/project/downloading.php?group_id=67586&filename=glew-1.3.6-src.tgz">TGZ</a></td>
 <td></td>
 </tr>
 <tr>
@@ -105,8 +105,8 @@ href="https://sourceforge.net/project/showfiles.php?group_id=67586&amp;package_i
 <td align="right"><b>Binaries</b></td>
 <td></td>
 <td align="left"><a
-href="http://prdownloads.sourceforge.net/glew/glew-1.3.6-win32.zip?download">Windows</a>&nbsp;|&nbsp;<a
-href="http://prdownloads.sourceforge.net/glew/glew-1.3.6-linux32.tgz?download">Linux</a>&nbsp;|&nbsp;OS X (<a href="http://prdownloads.sourceforge.net/glew/glew-1.3.6-darwin32-agl.tgz?download">AGL</a>,<a href="http://prdownloads.sourceforge.net/glew/glew-1.3.6-darwin32-glx.tgz?download">GLX</a>)&nbsp;|&nbsp;<a href="http://prdownloads.sourceforge.net/glew/glew-1.3.6-irix64.tgz?download">Irix</a>&nbsp;|&nbsp;<a href="http://prdownloads.sourceforge.net/glew/glew-1.3.6-solaris32.tgz?download">Solaris</a>
+href="https://sourceforge.net/project/downloading.php?group_id=67586&filename=glew-1.3.6-win32.zip">Windows</a>&nbsp;|&nbsp;<a
+href="https://sourceforge.net/project/downloading.php?group_id=67586&filename=glew-1.3.6-linux32.tgz">Linux</a>&nbsp;|&nbsp;OS X (<a href="https://sourceforge.net/project/downloading.php?group_id=67586&filename=glew-1.3.6-darwin32-agl.tgz">AGL</a>,<a href="https://sourceforge.net/project/downloading.php?group_id=67586&filename=glew-1.3.6-darwin32-glx.tgz">GLX</a>)&nbsp;|&nbsp;<a href="https://sourceforge.net/project/downloading.php?group_id=67586&filename=glew-1.3.6-irix64.tgz">Irix</a>&nbsp;|&nbsp;<a href="https://sourceforge.net/project/downloading.php?group_id=67586&filename=glew-1.3.6-solaris32.tgz">Solaris</a>
 </td>
 <td></td>
 </tr>