cache-object.gemspec in cache-object-0.0.7 vs cache-object.gemspec in cache-object-0.1.0

@@ -16,10 +16,10 @@
   spec.files         = `git ls-files -z`.split("\x0")
  # spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "activerecord", ">= 3.0"
+  spec.add_dependency "activerecord", [">= 3.0", "< 4.2"]
   spec.add_dependency "ruby-usdt"
 
   spec.add_development_dependency "bundler", "~> 1.6"
   spec.add_development_dependency "rake"