diff --git a/railties/lib/rails/generators/rails/plugin_new/templates/Gemfile b/railties/lib/rails/generators/rails/plugin_new/templates/Gemfile
index 7448b386c5..d69f943a72 100644
--- a/railties/lib/rails/generators/rails/plugin_new/templates/Gemfile
+++ b/railties/lib/rails/generators/rails/plugin_new/templates/Gemfile
@@ -1,4 +1,4 @@
-source "http://rubygems.org"
+source "https://rubygems.org"
 
 <% if options[:skip_gemspec] -%>
 <%= '# ' if options.dev? || options.edge? -%>gem "rails", "~> <%= Rails::VERSION::STRING %>"