diff --git a/install.xml b/install.xml
index 5cb960c506..d2c4532a10 100644
--- a/install.xml
+++ b/install.xml
@@ -193,23 +193,23 @@
           <key>darwin</key>
           <map>
             <key>md5sum</key>
-            <string>609c469ee1857723260b5a9943b9c2c1</string>
+            <string>84821102cb819257a66c8f38732647fc</string>
             <key>url</key>
-            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.39.0-darwin-20091202.tar.bz2</uri>
+            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.39.0-darwin-20100119.tar.bz2</uri>
           </map>
           <key>linux</key>
           <map>
             <key>md5sum</key>
-            <string>7085044567999489d82b9ed28f16e480</string>
+            <string>ee8e1b4bbcf137a84d6a85a1c51386ff</string>
             <key>url</key>
-            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.39.0-linux-20091202.tar.bz2</uri>
+            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.39.0-linux-20100119.tar.bz2</uri>
           </map>
           <key>linux64</key>
           <map>
             <key>md5sum</key>
-            <string>b4aeefcba3d749f1e9f2a12c6f70192b</string>
+            <string>af4badd6b2c10bc4db82ff1256695892</string>
             <key>url</key>
-            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.39.0-linux64-20091202.tar.bz2</uri>
+            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.39.0-linux64-20100119.tar.bz2</uri>
           </map>
           <key>windows</key>
           <map>