diff --git a/db/migrate/20211110095853_add_hide_by_user_at_on_dossiers.rb b/db/migrate/20211110095853_add_hide_by_user_at_on_dossiers.rb
new file mode 100644
index 000000000..9e7aa12b5
--- /dev/null
+++ b/db/migrate/20211110095853_add_hide_by_user_at_on_dossiers.rb
@@ -0,0 +1,5 @@
+class AddHideByUserAtOnDossiers < ActiveRecord::Migration[6.1]
+  def change
+    add_column :dossiers, :hidden_by_user_at, :datetime
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index c4625c91d..748e91ff5 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -324,6 +324,7 @@ ActiveRecord::Schema.define(version: 2021_11_24_111429) do
     t.bigint "dossier_transfer_id"
     t.datetime "identity_updated_at"
     t.datetime "depose_at"
+    t.datetime "hidden_by_user_at"
     t.index ["archived"], name: "index_dossiers_on_archived"
     t.index ["dossier_transfer_id"], name: "index_dossiers_on_dossier_transfer_id"
     t.index ["groupe_instructeur_id"], name: "index_dossiers_on_groupe_instructeur_id"