diff --git a/app/models/build_list/package.rb b/app/models/build_list/package.rb
index 026dad4a1..5428b48e5 100644
--- a/app/models/build_list/package.rb
+++ b/app/models/build_list/package.rb
@@ -1,11 +1,14 @@
 class BuildList::Package < ActiveRecord::Base
   PACKAGE_TYPES = %w(source binary)
 
-  belongs_to :build_list
+  belongs_to :build_list, touch: true
   belongs_to :project
   belongs_to :platform
 
-  attr_accessible :fullname, :name, :release, :version, :sha1, :epoch
+  serialize :dependent_packages, Array
+  serialize :dependent_projects, Array
+
+  attr_accessible :fullname, :name, :release, :version, :sha1, :epoch, :dependent_packages
 
   validates :build_list_id, :project_id, :platform_id, :fullname,
             :package_type, :name, :release, :version,
@@ -23,6 +26,8 @@ class BuildList::Package < ActiveRecord::Base
   scope :like_name,       ->(name)     { where("#{table_name}.name ILIKE ?", "%#{name}%") if name.present? }
 
   before_create :set_epoch
+  before_create :normalize_dependent_packages
+  after_commit(on: :create) { |p| p.find_dependent_projects if p.dependent_packages.present? } # later with resque
 
   def assignee
     project.maintainer
@@ -45,8 +50,17 @@ class BuildList::Package < ActiveRecord::Base
     end
   end
 
+  def find_dependent_projects
+    # TODO
+  end
+  later :find_dependent_projects, queue: :middle
+
   protected
 
+  def normalize_dependent_packages
+    self.dependent_packages = dependent_packages.split(/\s/).select(&:present?) if dependent_packages.present?
+  end
+
   def set_epoch
     self.epoch = nil if epoch.blank? || epoch == 0
   end
diff --git a/app/views/projects/build_lists/show.json.jbuilder b/app/views/projects/build_lists/show.json.jbuilder
index c502fc670..f462f329d 100644
--- a/app/views/projects/build_lists/show.json.jbuilder
+++ b/app/views/projects/build_lists/show.json.jbuilder
@@ -1,67 +1,75 @@
 json.build_list do
-  json.(@build_list, :id, :container_status, :status)
-  json.(@build_list, :update_type)
-  json.updated_at @build_list.updated_at
-  json.updated_at_utc @build_list.updated_at.strftime('%Y-%m-%d %H:%M:%S UTC')
-
   if !@build_list.in_work? && @build_list.started_at
     json.human_duration @build_list.human_duration
   elsif @build_list.in_work?
     json.human_duration "#{@build_list.human_current_duration} / #{@build_list.human_average_build_time}"
   end
-
-  json.can_publish can?(:publish, @build_list)
-  json.can_publish_into_testing can?(:publish_into_testing, @build_list) && @build_list.can_publish_into_testing?
-  json.can_cancel @build_list.can_cancel?
-  json.can_create_container @build_list.can_create_container?
-  json.can_reject_publish @build_list.can_reject_publish?
-
-  json.extra_build_lists_published @build_list.extra_build_lists_published?
-  json.can_publish_in_future can_publish_in_future?(@build_list)
-  json.can_publish_into_repository @build_list.can_publish_into_repository?
+  
+  json.cache! @build_list, expires_in: 1.minute do
+    json.(@build_list, :id, :container_status, :status)
+    json.(@build_list, :update_type)
+    json.updated_at @build_list.updated_at
+    json.updated_at_utc @build_list.updated_at.strftime('%Y-%m-%d %H:%M:%S UTC')
 
 
-  json.container_path container_url if @build_list.container_published?
+    json.can_publish can?(:publish, @build_list)
+    json.can_publish_into_testing can?(:publish_into_testing, @build_list) && @build_list.can_publish_into_testing?
+    json.can_cancel @build_list.can_cancel?
+    json.can_create_container @build_list.can_create_container?
+    json.can_reject_publish @build_list.can_reject_publish?
 
-  json.publisher do
-    json.fullname @build_list.publisher.try(:fullname)
-    json.path user_path(@build_list.publisher)
-  end if @build_list.publisher
+    json.extra_build_lists_published @build_list.extra_build_lists_published?
+    json.can_publish_in_future can_publish_in_future?(@build_list)
+    json.can_publish_into_repository @build_list.can_publish_into_repository?
 
-  json.builder do
-    json.fullname @build_list.builder.try(:fullname)
-    json.path user_path(@build_list.builder)
-  end if @build_list.builder && (!@build_list.builder.system? || current_user.try(:admin?))
 
-  json.advisory do
-    json.(@build_list.advisory, :description, :advisory_id)
-    json.path advisory_path(@build_list.advisory)
-  end if @build_list.advisory
+    json.container_path container_url if @build_list.container_published?
 
-  json.results @build_list.results do |result|
-    json.file_name result['file_name']
-    json.sha1 result['sha1']
-    json.size result['size']
+    json.publisher do
+      json.fullname @build_list.publisher.try(:fullname)
+      json.path user_path(@build_list.publisher)
+    end if @build_list.publisher
 
-    timestamp = result['timestamp']
-    json.created_at Time.zone.at(result['timestamp']).to_s if timestamp
+    json.builder do
+      json.fullname @build_list.builder.try(:fullname)
+      json.path user_path(@build_list.builder)
+    end if @build_list.builder && (!@build_list.builder.system? || current_user.try(:admin?))
 
-    json.url file_store_results_url(result['sha1'], result['file_name'])
-  end if @build_list.new_core? && @build_list.results.present?
+    json.advisory do
+      json.(@build_list.advisory, :description, :advisory_id)
+      json.path advisory_path(@build_list.advisory)
+    end if @build_list.advisory
 
-  json.packages @build_list.packages do |package|
-    json.(package, :id, :name, :fullname, :release, :version, :sha1, :epoch)
-    json.url "#{APP_CONFIG['file_store_url']}/api/v1/file_stores/#{package.sha1}" if package.sha1
-  end if @build_list.packages.present?
+    json.results @build_list.results do |result|
+      json.file_name result['file_name']
+      json.sha1 result['sha1']
+      json.size result['size']
 
-  json.item_groups do |group|
-    @item_groups.each_with_index do |group, level|
-      json.group group do |item|
-        json.(item, :name, :status)
-        json.path build_list_item_version_link item
-        json.level level
+      timestamp = result['timestamp']
+      json.created_at Time.zone.at(result['timestamp']).to_s if timestamp
+
+      json.url file_store_results_url(result['sha1'], result['file_name'])
+    end if @build_list.new_core? && @build_list.results.present?
+
+    json.packages @build_list.packages do |package|
+      json.(package, :id, :name, :fullname, :release, :version, :sha1, :epoch)
+      json.url "#{APP_CONFIG['file_store_url']}/api/v1/file_stores/#{package.sha1}" if package.sha1
+
+      json.dependent_projects Project.where(id: package.dependent_projects).to_a do |project|
+        json.project_path project_path(project)
+        json.new_project_build_list_path new_project_build_list_path(@project)
       end
-    end
-  end if @item_groups.present?
+    end if @build_list.packages.present?
+
+    json.item_groups do |group|
+      @item_groups.each_with_index do |group, level|
+        json.group group do |item|
+          json.(item, :name, :status)
+          json.path build_list_item_version_link item
+          json.level level
+        end
+      end
+    end if @item_groups.present?
+  end
 
 end
diff --git a/db/migrate/20140606193047_add_dependent_packages_and_dependent_projects_to_build_list_packages.rb b/db/migrate/20140606193047_add_dependent_packages_and_dependent_projects_to_build_list_packages.rb
new file mode 100644
index 000000000..c2d1db1db
--- /dev/null
+++ b/db/migrate/20140606193047_add_dependent_packages_and_dependent_projects_to_build_list_packages.rb
@@ -0,0 +1,6 @@
+class AddDependentPackagesAndDependentProjectsToBuildListPackages < ActiveRecord::Migration
+  def change
+    add_column :build_list_packages, :dependent_packages, :text
+    add_column :build_list_packages, :dependent_projects, :text
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 82c9152ac..3bc0ac99d 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140602164337) do
+ActiveRecord::Schema.define(version: 20140606193047) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -90,11 +90,13 @@ ActiveRecord::Schema.define(version: 20140602164337) do
     t.string   "version"
     t.string   "release"
     t.string   "package_type"
-    t.datetime "created_at",                    null: false
-    t.datetime "updated_at",                    null: false
-    t.boolean  "actual",        default: false
+    t.datetime "created_at",                         null: false
+    t.datetime "updated_at",                         null: false
+    t.boolean  "actual",             default: false
     t.string   "sha1"
     t.integer  "epoch"
+    t.text     "dependent_packages"
+    t.text     "dependent_projects"
     t.index ["actual", "platform_id"], :name => "index_build_list_packages_on_actual_and_platform_id"
     t.index ["build_list_id"], :name => "index_build_list_packages_on_build_list_id"
     t.index ["name", "project_id"], :name => "index_build_list_packages_on_name_and_project_id"