1 files changed, 6 insertions, 0 deletions
diff --git a/lib/rubygems/install_update_options.rb b/lib/rubygems/install_update_options.rb
index 58807be62a..5202c105db 100644
--- a/lib/rubygems/install_update_options.rb
+++ b/lib/rubygems/install_update_options.rb
@@ -89,6 +89,12 @@ module Gem::InstallUpdateOptions
                'foo_exec18') do |value, options|
       options[:format_executable] = value
     end
+
+    add_option(:"Install/Update", "--development",
+                "Install any additional development",
+                "dependencies") do |value, options|
+      options[:development] = true
+    end
   end
 
   # Default options for the gem install command.