force exact match on tools version

Signed-off-by: Jeremy Mordkoff <Jeremy.Mordkoff@riftio.com>
diff --git a/BUILD.sh b/BUILD.sh
index c732207..b322af3 100755
--- a/BUILD.sh
+++ b/BUILD.sh
@@ -155,7 +155,7 @@
         
     # and install the tools
     sudo apt remove -y rw.toolchain-rwbase tcpdump
-    sudo apt-get install -y rw.tools-container-tools rw.tools-scripts python 
+    sudo apt-get install -y rw.tools-container-tools=${PLATFORM_VERSION} rw.tools-scripts=${PLATFORM_VERSION} python 
 elif [[ $PLATFORM == fc20 ]]; then
     # get the container tools from the correct repository
     sudo rm -f /etc/yum.repos.d/private.repo