diff --git a/db/migrate/20211022224008_add_site_to_stats.rb b/db/migrate/20211022224008_add_site_to_stats.rb
new file mode 100644
index 00000000..db2b43ab
--- /dev/null
+++ b/db/migrate/20211022224008_add_site_to_stats.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+# La recolección de estadísticas podría pertenecer a un sitio
+class AddSiteToStats < ActiveRecord::Migration[6.1]
+  def change
+    add_belongs_to :stats, :site, index: true, null: true
+  end
+end
diff --git a/db/migrate/20211022225449_add_name_to_stats.rb b/db/migrate/20211022225449_add_name_to_stats.rb
new file mode 100644
index 00000000..89a17ee0
--- /dev/null
+++ b/db/migrate/20211022225449_add_name_to_stats.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+# Agregarle un nombre a la estadística
+class AddNameToStats < ActiveRecord::Migration[6.1]
+  def change
+    add_column :stats, :name, :string, null: false
+    add_index :stats, :name, using: 'hash'
+  end
+end