diff --git a/tools/build/gnome-shell-build-setup.sh b/tools/build/gnome-shell-build-setup.sh
index 702ce450c..36c4f6fff 100755
--- a/tools/build/gnome-shell-build-setup.sh
+++ b/tools/build/gnome-shell-build-setup.sh
@@ -87,6 +87,7 @@ if test "x$system" = xUbuntu -o "x$system" = xDebian -o "x$system" = xLinuxMint
     mesa-common-dev mesa-utils python-dev python-gconf python-gobject \
     xulrunner-dev xserver-xephyr gnome-terminal libcroco3-dev \
     libgstreamer0.10-dev gstreamer0.10-plugins-base gstreamer0.10-plugins-good \
+    libltdl-dev libvorbis-dev
     ; do
       if ! dpkg-checkbuilddeps -d $pkg /dev/null 2> /dev/null; then
         reqd="$pkg $reqd"