lib = File.expand_path("../lib", __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require "neo4j/rspec/version"

Gem::Specification.new do |spec|
  spec.name          = "neo4j-rspec"
  spec.version       = Neo4j::RSpec::VERSION
  spec.authors       = ["Denis Tataurov"]
  spec.email         = ["sineedus@mail.ru"]

  spec.summary       = "RSpec matchers for Neo4j.rb"
  spec.description   = "RSpec matchers for Neo4j.rb"
  spec.homepage      = "https://github.com/sineed/neo4j-rspec"
  spec.license       = "MIT"

  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
  spec.require_paths = ["lib"]

  spec.add_dependency "neo4j", ">= 6.0.0"
  spec.add_dependency "rspec", "~> 3.4"
end

lib = File.expand_path("../lib", __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require "neo4j/rspec/version"

Gem::Specification.new do |spec|
  spec.name          = "neo4j-rspec"
  spec.version       = Neo4j::RSpec::VERSION
  spec.authors       = ["Denis Tataurov"]
  spec.email         = ["sineedus@mail.ru"]

  spec.summary       = "RSpec matchers for Neo4j.rb"
  spec.description   = "RSpec matchers for Neo4j.rb"
  spec.homepage      = "https://github.com/sineed/neo4j-rspec"
  spec.license       = "MIT"

  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
  spec.require_paths = ["lib"]

  spec.add_dependency "neo4j", ">= 6.0.0"
  spec.add_dependency "rspec", ">= 3.0"
end

Allow newer versions of rspec and bring back to 3.0
Allow newer versions of rspec and bring back to 3.0 

I'm not sure if the gem supports rspec 3.0, but it would be good to go back as far as we can