diff --git a/lib/pinchflat/sources/source.ex b/lib/pinchflat/sources/source.ex
index 58e7ec0..2932ac9 100644
--- a/lib/pinchflat/sources/source.ex
+++ b/lib/pinchflat/sources/source.ex
@@ -29,6 +29,7 @@ defmodule Pinchflat.Sources.Source do
     last_indexed_at
     original_url
     download_cutoff_date
+    retention_period_days
     title_filter_regex
     media_profile_id
   )a
@@ -72,6 +73,7 @@ defmodule Pinchflat.Sources.Source do
     field :last_indexed_at, :utc_datetime
     # Only download media items that were published after this date
     field :download_cutoff_date, :date
+    field :retention_period_days, :integer
     field :original_url, :string
     field :title_filter_regex, :string
 
diff --git a/priv/repo/migrations/20240402221638_add_retention_period_to_sources.exs b/priv/repo/migrations/20240402221638_add_retention_period_to_sources.exs
new file mode 100644
index 0000000..a738678
--- /dev/null
+++ b/priv/repo/migrations/20240402221638_add_retention_period_to_sources.exs
@@ -0,0 +1,9 @@
+defmodule Pinchflat.Repo.Migrations.AddRetentionPeriodToSources do
+  use Ecto.Migration
+
+  def change do
+    alter table(:sources) do
+      add :retention_period_days, :integer
+    end
+  end
+end