diff --git a/Tools/scripts/install-prereqs-ubuntu.sh b/Tools/scripts/install-prereqs-ubuntu.sh
index 3052e7696a..92939be24c 100755
--- a/Tools/scripts/install-prereqs-ubuntu.sh
+++ b/Tools/scripts/install-prereqs-ubuntu.sh
@@ -2,21 +2,28 @@
 set -e
 
 OPT="/opt"
-BASE_PKGS="gawk make git arduino-core curl"
-PYTHON_PKGS="pymavlink MAVProxy droneapi catkin_pkg lxml future"
-PX4_PKGS="python-serial python-argparse openocd flex bison libncurses5-dev \
-          autoconf texinfo build-essential libftdi-dev libtool zlib1g-dev \
+BASE_PKGS="build-essential ccache g++ gawk git make wget"
+PYTHON_PKGS="future lxml pymavlink MAVProxy"
+PX4_PKGS="python-argparse openocd flex bison libncurses5-dev \
+          autoconf texinfo libftdi-dev zlib1g-dev \
           zip genromfs python-empy libc6-i386"
 BEBOP_PKGS="g++-arm-linux-gnueabihf"
-SITL_PKGS="g++ python-pip python-setuptools python-matplotlib python-serial python-scipy python-opencv python-numpy python-pyparsing ccache realpath"
+SITL_PKGS="libtool python-pip python-setuptools python-matplotlib python-serial python-scipy python-opencv python-numpy python-pyparsing realpath"
 ASSUME_YES=false
 
-read -r UBUNTU_CODENAME <<<$(lsb_release -c -s)
+UBUNTU_YEAR="15" # Ubuntu Year were changes append
+UBUNTU_MONTH="10" # Ubuntu Month were changes append
 
-if [ "$UBUNTU_CODENAME" = "xenial" ]; then
-    SITL_PKGS+=" python-wxgtk3.0"
-else
-    SITL_PKGS+=" python-wxgtk2.8"
+version=$(lsb_release -r -s)
+yrelease=$(echo "$version" | cut -d. -f1)
+mrelease=$(echo "$version" | cut -d. -f2)
+
+if [ "$yrelease" -ge "$UBUNTU_YEAR" ]; then
+    if [ "$yrelease" -gt "$UBUNTU_YEAR" ] || [ "$mrelease" -ge "$UBUNTU_MONTH" ]; then
+        SITL_PKGS+=" python-wxgtk3.0 libtool-bin"
+    else
+        SITL_PKGS+=" python-wxgtk2.8"
+    fi
 fi
 
 # GNU Tools for ARM Embedded Processors
@@ -64,7 +71,7 @@ sudo usermod -a -G dialout $USER
 $APT_GET remove modemmanager
 $APT_GET update
 $APT_GET install $BASE_PKGS $SITL_PKGS $PX4_PKGS $BEBOP_PKGS
-sudo pip2 -q install $PYTHON_PKGS
+sudo pip2 -q install -U $PYTHON_PKGS
 
 if [ ! -d $OPT/$ARM_ROOT ]; then
     (