error when running npm shrinkwrap

gistfile1.txt

npm ERR! peerinvalid The package grunt does not satisfy its siblings' peerDependencies requirements!
npm ERR! peerinvalid Peer jit-grunt@0.7.0 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-express-server@0.4.13 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-browserify@2.1.4 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-nodemon@0.2.1 wants grunt@~0.4.1
npm ERR! peerinvalid Peer grunt-contrib-watch@0.6.1 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-mocha@0.4.0 wants grunt@~0.4
npm ERR! peerinvalid Peer grunt-extract-sourcemap@0.1.12 wants grunt@~0.4.5
npm ERR! peerinvalid Peer grunt-contrib-jshint@0.10.0 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-contrib-copy@0.4.1 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-contrib-clean@0.4.1 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-contrib-compass@0.9.1 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-contrib-cssmin@0.6.1 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-scss-lint@0.3.2 wants grunt@>=0.4.5
npm ERR! peerinvalid Peer grunt-contrib-uglify@0.5.1 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-sass-convert@0.2.0 wants grunt@~0.4.1
npm ERR! peerinvalid Peer grunt-contrib-jscs@0.1.8 wants grunt@~0.4.1
npm ERR! peerinvalid Peer grunt-concurrent@0.3.1 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-docco2@0.1.1 wants grunt@~0.4
npm ERR! peerinvalid Peer grunt-styleguide@0.2.6 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-browser-dependencies@0.1.2 wants grunt@~0.4.0
npm ERR! peerinvalid Peer grunt-webdriver@0.4.0 wants grunt@~0.4.2
npm ERR! peerinvalid Peer grunt-yaml@0.4.0 wants grunt@~0.4.2
npm ERR! peerinvalid Peer grunt-node-inspector@0.1.5 wants grunt@~0.4.2

npm ERR! System Darwin 12.2.1
npm ERR! command "node" "/usr/local/bin/npm" "i"
npm ERR! cwd /Users/mbenin/Desktop/node-startup
npm ERR! node -v v0.10.32
npm ERR! npm -v 1.4.28
npm ERR! code EPEERINVALID
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/mbenin/Desktop/node-startup/npm-debug.log
npm ERR! not ok code 0