End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

Gem.refresh

refresh

# File tmp/rubies/ruby-3.0.5/lib/rubygems.rb, line 774
def self.refresh
  Gem::Specification.reset
end

Refresh available gems from disk.

See also .read_binary .register_default_spec .pre_uninstall .ruby also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1