autobuild.gemspec in autobuild-1.20.0 vs autobuild.gemspec in autobuild-1.21.0

@@ -21,14 +21,15 @@
     s.require_paths = ["lib"]
     s.extensions = []
     s.files = `git ls-files -z`.split("\x0")
         .reject { |f| f.match(%r{^(test|spec|features)/}) }
 
-    s.add_runtime_dependency 'pastel', '~> 0.7.0', '>= 0.7.0'
-    s.add_runtime_dependency "rake", "~> 12.0", ">= 12.3.0"
-    s.add_runtime_dependency 'tty-cursor', '~> 0.5.0'
-    s.add_runtime_dependency 'tty-prompt', '~> 0.15.0'
-    s.add_runtime_dependency 'tty-screen', '~> 0.6.4'
+    s.add_runtime_dependency "concurrent-ruby", "~> 1.1"
+    s.add_runtime_dependency "pastel", "~> 0.7.0"
+    s.add_runtime_dependency "rake", "~> 13.0"
+    s.add_runtime_dependency 'tty-cursor', '~> 0.7.0'
+    s.add_runtime_dependency 'tty-prompt', '~> 0.21.0'
+    s.add_runtime_dependency 'tty-screen', '~> 0.8.0'
     s.add_runtime_dependency "utilrb", "~> 3.0", ">= 3.0"
     s.add_development_dependency "fakefs"
     s.add_development_dependency "flexmock", '~> 2.0', ">= 2.0.0"
     s.add_development_dependency "minitest", "~> 5.0", ">= 5.0"
     s.add_development_dependency "simplecov"