diff --git a/db/migrate/20210428104228_add_conservation_extension_to_dossiers.rb b/db/migrate/20210428104228_add_conservation_extension_to_dossiers.rb
new file mode 100644
index 000000000..909ac22f0
--- /dev/null
+++ b/db/migrate/20210428104228_add_conservation_extension_to_dossiers.rb
@@ -0,0 +1,5 @@
+class AddConservationExtensionToDossiers < ActiveRecord::Migration[6.1]
+  def change
+    add_column :dossiers, :conservation_extension, :interval, default: 0.days
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index eefe0112f..44108f050 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_04_27_124500) do
+ActiveRecord::Schema.define(version: 2021_04_28_104228) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -274,6 +274,7 @@ ActiveRecord::Schema.define(version: 2021_04_27_124500) do
     t.datetime "last_avis_updated_at"
     t.datetime "last_commentaire_updated_at"
     t.string "api_entreprise_job_exceptions", array: true
+    t.interval "conservation_extension", default: "PT0S"
     t.index "to_tsvector('french'::regconfig, (search_terms || private_search_terms))", name: "index_dossiers_on_search_terms_private_search_terms", using: :gin
     t.index "to_tsvector('french'::regconfig, search_terms)", name: "index_dossiers_on_search_terms", using: :gin
     t.index ["archived"], name: "index_dossiers_on_archived"