migration-lock-timeout.gemspec in migration-lock-timeout-1.0.0 vs migration-lock-timeout.gemspec in migration-lock-timeout-1.1.0

@@ -25,14 +25,14 @@
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.12"
-  spec.add_development_dependency "rake", "~> 11.2.2"
-  spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "pg"
+  spec.add_development_dependency "appraisal"
   spec.add_development_dependency "database_cleaner"
+  spec.add_development_dependency "pg"
   spec.add_development_dependency "pry"
+  spec.add_development_dependency "rake", "~> 11.2.2"
+  spec.add_development_dependency "rspec", "~> 3.0"
 
-  spec.add_runtime_dependency "activerecord", "~>4.2"
+  spec.add_runtime_dependency "activerecord", ">= 4.0", "< 6.0"
 end