diff --git a/tools/migrations/20260601160305_unset_stripe_subscription_id_from_recurly_field.mjs b/tools/migrations/20260601160305_unset_stripe_subscription_id_from_recurly_field.mjs
new file mode 100644
index 0000000000..e579d34af7
--- /dev/null
+++ b/tools/migrations/20260601160305_unset_stripe_subscription_id_from_recurly_field.mjs
@@ -0,0 +1,26 @@
+import { db } from './lib/mongodb.mjs'
+
+const tags = ['saas']
+
+const migrate = async () => {
+  const result = await db.subscriptions.updateMany(
+    {
+      recurlySubscription_id: /^sub_/,
+      $expr: {
+        $eq: ['$recurlySubscription_id', '$paymentProvider.subscriptionId'],
+      },
+    },
+    { $unset: { recurlySubscription_id: '' } }
+  )
+  console.log(
+    `Updated ${result.modifiedCount} subscriptions (matched ${result.matchedCount}).`
+  )
+}
+
+const rollback = async () => {}
+
+export default {
+  tags,
+  migrate,
+  rollback,
+}