diff --git a/db/migrations/0012_add_updated_at.sql b/db/migrations/0012_add_updated_at.sql
new file mode 100644
index 00000000..81837c2f
--- /dev/null
+++ b/db/migrations/0012_add_updated_at.sql
@@ -0,0 +1,110 @@
+create or replace function set_updated_at() returns trigger
+    language plpgsql
+as
+$$
+begin
+  new.updated_at = now();
+  return NEW;
+end;
+$$;
+
+alter function set_updated_at() owner to postgres;
+
+alter table stripe.subscriptions
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.subscriptions
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.products
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.products
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.customers
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.customers
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.prices
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.prices
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.invoices
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.invoices
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.charges
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.charges
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.coupons
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.coupons
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.disputes
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.disputes
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.events
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.events
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.payouts
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.payouts
+    for each row
+    execute procedure set_updated_at();
+
+alter table stripe.plans
+    add updated_at timestamptz default timezone('utc'::text, now()) not null;
+
+create trigger handle_updated_at
+    before update
+    on stripe.plans
+    for each row
+    execute procedure set_updated_at();