rcmd.gemspec in rcmd-1.6.0 vs rcmd.gemspec in rcmd-1.6.1

@@ -34,10 +34,10 @@
 
   spec.add_runtime_dependency('net-ssh')
   spec.add_runtime_dependency('io-console')
   spec.add_runtime_dependency('thread')
   spec.add_runtime_dependency('tty-prompt')
-  spec.add_runtime_dependency('activerecord')
+  spec.add_runtime_dependency('activerecord', '= 4.0.0')
   spec.add_runtime_dependency('regexp-examples')
   spec.add_development_dependency('rspec', '~> 3.0', '>= 2.0.0')
   spec.add_development_dependency "bundler", "~> 1.15"
   spec.add_development_dependency "rake", "~> 10.0"
 end