Cannot issue `bundle patch -h`

[chrismo]

bundle patch help works, but with 1.12.5, the -h isn't passed through properly:

Bundler version 1.12.5
[chrismo@momac crack (master)]$ bundle patch -h
/Users/chrismo/.rbenv/versions/2.3.1/bin/ruby: warning: RUBY_HEAP_MIN_SLOTS is obsolete. Use RUBY_GC_HEAP_INIT_SLOTS instead.
Could not find command "patch -h".
[chrismo@momac crack (master)]$ bundler-patch -h
/Users/chrismo/.rbenv/versions/2.3.1/bin/ruby: warning: RUBY_HEAP_MIN_SLOTS is obsolete. Use RUBY_GC_HEAP_INIT_SLOTS instead.
Bundler Patch Version 0.7.2