diff --git a/railties/lib/rails/generators/app_base.rb b/railties/lib/rails/generators/app_base.rb
index 2f6f760438..b3a67266f7 100644
--- a/railties/lib/rails/generators/app_base.rb
+++ b/railties/lib/rails/generators/app_base.rb
@@ -246,7 +246,7 @@ def assets_gemfile_entry
                                     'Use SCSS for stylesheets')
         else
           gems << GemfileEntry.version('sass-rails',
-                                     '~> 4.0.3',
+                                     '~> 5.0.0.beta1',
                                      'Use SCSS for stylesheets')
         end