diff --git a/nodejs-packaging-bundler b/nodejs-packaging-bundler
index 6fce03f..943368a 100755
--- a/nodejs-packaging-bundler
+++ b/nodejs-packaging-bundler
@@ -67,7 +67,7 @@ cd package
 for packagejson in $(find . -type d -name node_modules\* -prune -o -type f -name package.json -print); do
   pushd $(dirname $packagejson)
   echo " Downloading prod dependencies"
-  npm install --no-optional --only=prod
+  npm install --omit=dev --omit=optional
   if [ $? -ge 1 ] ; then
     echo "    ERROR WILL ROBINSON"
 	rm -rf node_modules
@@ -97,7 +97,7 @@ fi
 for packagejson in $(find . -type d -name node_modules\* -prune -o -type f -name package.json -print); do
   pushd $(dirname $packagejson)
   echo " Downloading dev dependencies"
-  npm install --no-optional --only=dev
+  npm install --omit=optional
   if [ $? -ge 1 ] ; then
     echo "    ERROR WILL ROBINSON"
   else