Even better

bin/update

@@ -263,11 +263,7 @@ update-npm() {
 
     start_npm_update=`date +%s`
     echo -e "\033[32;1m=== Updating node packages ===\033[0m"
-
-    for package in $(npm -g outdated --parseable --depth=0 | cut -d: -f3)
-    do
-        npm install -g `echo $package | cut -d '@' -f 1`
-    done
+    npm update -g
 
     seconds=$((`date +%s` - $start_npm_update ))
     formatted=`date -ud "@$seconds" +'%H hours %M minutes %S seconds'`