rake prepare:dev fails when installing gems

$ rake prepare:dev
[...]
gem install --minimal-deps --no-document --install-dir /home/andrei/work/isc/stork-clean/tools/ruby bundler:2.3.8
ERROR:  Use --install-dir or --user-install but not both
rake aborted!
Command failed with status (1): [gem install --minimal-deps --no-document -...]
/home/andrei/work/isc/stork-clean/rakelib/00_init.rake:435:in `block in <top (required)>'
/home/andrei/work/isc/stork-clean/rakelib/00_init.rake:111:in `block in find_and_prepare_deps'
/home/andrei/work/isc/stork-clean/rakelib/00_init.rake:106:in `each'
/home/andrei/work/isc/stork-clean/rakelib/00_init.rake:106:in `find_and_prepare_deps'
/home/andrei/work/isc/stork-clean/rakelib/30_dev.rake:525:in `block (2 levels) in <top (required)>'
/home/andrei/.gem/ruby/3.0.0/gems/rake-13.0.6/exe/rake:27:in `<top (required)>'
Tasks: TOP => /home/andrei/work/isc/stork-clean/tools/ruby/bin_bundle/danger => /home/andrei/work/isc/stork-clean/tools/ruby/bin/bundle
(See full trace by running task with --trace)
EXIT 1

$ gem --version
3.3.23

Following the suggestion in the error message seems to fix it.