diff --git a/db/migrate/20160615142710_add_index_on_requested_at_to_members.rb b/db/migrate/20160615142710_add_index_on_requested_at_to_members.rb
index e23b33f78d8..7a8ed99c68f 100644
--- a/db/migrate/20160615142710_add_index_on_requested_at_to_members.rb
+++ b/db/migrate/20160615142710_add_index_on_requested_at_to_members.rb
@@ -1,6 +1,8 @@
 class AddIndexOnRequestedAtToMembers < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers
 
+  DOWNTIME = false
+
   disable_ddl_transaction!
 
   def up
diff --git a/db/migrate/20160620115026_add_index_on_runners_locked.rb b/db/migrate/20160620115026_add_index_on_runners_locked.rb
index 62b00cc3e2c..6ca486c63d1 100644
--- a/db/migrate/20160620115026_add_index_on_runners_locked.rb
+++ b/db/migrate/20160620115026_add_index_on_runners_locked.rb
@@ -4,6 +4,8 @@
 class AddIndexOnRunnersLocked < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers
 
+  DOWNTIME = false
+
   disable_ddl_transaction!
 
   def up
diff --git a/db/migrate/20160715134306_add_index_for_pipeline_user_id.rb b/db/migrate/20160715134306_add_index_for_pipeline_user_id.rb
index 12fd25b420d..a05a4c679e3 100644
--- a/db/migrate/20160715134306_add_index_for_pipeline_user_id.rb
+++ b/db/migrate/20160715134306_add_index_for_pipeline_user_id.rb
@@ -1,6 +1,8 @@
 class AddIndexForPipelineUserId < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers
 
+  DOWNTIME = false
+
   disable_ddl_transaction!
 
   def up