active_archive.gemspec in active_archive-5.2.0 vs active_archive.gemspec in active_archive-5.2.1

@@ -17,10 +17,10 @@
   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 = %w[lib]
 
-  spec.add_runtime_dependency 'rails'
+  spec.add_runtime_dependency 'rails', '<= 5.1.6'
 
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'database_cleaner'
   spec.add_development_dependency 'fasterer'
   spec.add_development_dependency 'generator_spec'