Undefined method `dependent' - rspec and shoulda

hello,
Getting this error when using shoulda and rspec for model tests.
my gemfile

gem “shoulda-matchers”

spec file

it { should have_many(:balances).dependent(:destroy) }

error:
User shoulda validations
Failure/Error: it { should
have_many(:balances).dependent(:destroy) }
NoMethodError:
undefined method `dependent’ for #<RSpec::Matchers::Matcher:
0xb2d4294>