no such file to load -- spec/rake/spectask

I am lost in trying to get rid of the below error when i try to run
any rake task.

i have installed rspec through the bundler. i did nto have this
porblme when running the app as a 2.x rails however i have upgraded to
to 3.0.3 and now i am running into this problem.

no such file to load -- spec/rake/spectask

i have searhced searche and searched to no avail.