diff --git a/install.xml b/install.xml
index 1265963fb13d3859aa9ef37a5926bdf83b9e711e..ccebe2fe50064546e61d30b7c0bbe05db863894b 100644
--- a/install.xml
+++ b/install.xml
@@ -1386,23 +1386,23 @@ anguage Infrstructure (CLI) international standard</string>
           <key>darwin</key>
           <map>
             <key>md5sum</key>
-            <string>4d29351a842fafe617de65a8183da160</string>
+            <string>aa144917d0e33453d3c2cc2c05c6c47c</string>
             <key>url</key>
-            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/vivox-3.1.0001.8744-darwin-20100519.tar.bz2</uri>
+            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/vivox-3.1.0001.8821-darwin-20100529.tar.bz2</uri>
           </map>
           <key>linux</key>
           <map>
             <key>md5sum</key>
-            <string>7541138c439b1c0312610d18968f27d2</string>
+            <string>98f7945755f3ee8e52f685a3eff4d7be</string>
             <key>url</key>
-            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/vivox-3.1.0001.8744-linux-20100519.tar.bz2</uri>
+            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/vivox-3.1.0001.8821-linux-20100529.tar.bz2</uri>
           </map>
           <key>windows</key>
           <map>
             <key>md5sum</key>
-            <string>5d2b049ca5239da2dcebde91f7f25a43</string>
+            <string>e8fdd46cb026c2ec72c4489eb3bf39c1</string>
             <key>url</key>
-            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/vivox-3.1.0001.8744-windows-20100519.tar.bz2</uri>
+            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/vivox-3.1.0001.8821-windows-20100529.tar.bz2</uri>
           </map>
         </map>
       </map>