diff --git a/install.xml b/install.xml
index 7cb81d09c6b4a2d967e9060584d38a7b068a375d..02d9625a2a1d44f2a4ef35675fe1ece2264c7f6a 100644
--- a/install.xml
+++ b/install.xml
@@ -214,16 +214,16 @@
           <key>linux</key>
           <map>
             <key>md5sum</key>
-            <string>113ca35011c916660a8aa55bc1ca462a</string>
+            <string>8fb4151b883b5f5d2b12da19a6ff8e7d</string>
             <key>url</key>
-            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.34.1-linux-20090702.tar.bz2</uri>
+            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.34.1-linux-20090804.tar.bz2</uri>
           </map>
           <key>linux64</key>
           <map>
             <key>md5sum</key>
-            <string>270f64d3aa416cec96f445d58dfcfb6d</string>
+            <string>77237f33b1740daef0dc1e6c801f68e1</string>
             <key>url</key>
-            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.34.1-linux64-20090702.tar.bz2</uri>
+            <uri>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/boost-1.34.1-linux64-20090804.tar.bz2</uri>
           </map>
           <key>windows</key>
           <map>