diff --git a/internal/nostr/models.go b/internal/nostr/models.go
index 98b2d3c..5a5ed88 100644
--- a/internal/nostr/models.go
+++ b/internal/nostr/models.go
@@ -130,14 +130,14 @@ type OnReceiveEOSFunc func(ctx context.Context, subscription *Subscription)
 type HandleEventFunc func(event *nostr.Event, subscription *Subscription)
 
 type RequestEvent struct {
-	ID               uint
-	SubscriptionId   *uint
-	NostrId          string    `validate:"required"`
-	Content          string
-	State            string
-	ResponseReceived bool
-	CreatedAt        time.Time
-	UpdatedAt        time.Time
+	ID                 uint
+	SubscriptionId     *uint
+	NostrId            string    `validate:"required"`
+	Content            string
+	State              string
+	ResponseReceivedAt time.Time
+	CreatedAt          time.Time
+	UpdatedAt          time.Time
 }
 
 type ResponseEvent struct {
diff --git a/internal/nostr/nostr.go b/internal/nostr/nostr.go
index db1c31c..caa42dc 100644
--- a/internal/nostr/nostr.go
+++ b/internal/nostr/nostr.go
@@ -795,7 +795,7 @@ func (svc *Service) handleResponseEvent(event *nostr.Event, subscription *Subscr
 		"wallet_pubkey":    svc.getWalletPubkey(subscription.Authors),
 	}).Info("Received response event")
 	if (subscription.RequestEvent != nil) {
-		subscription.RequestEventDB.ResponseReceived = true
+		subscription.RequestEventDB.ResponseReceivedAt = time.Now()
 		svc.db.Save(&subscription.RequestEventDB)
 	}
 	responseEvent := ResponseEvent{
diff --git a/migrations/202407131920_add_response_state_to_request_events.go b/migrations/202407131920_add_response_state_to_request_events.go
deleted file mode 100644
index 721cd88..0000000
--- a/migrations/202407131920_add_response_state_to_request_events.go
+++ /dev/null
@@ -1,33 +0,0 @@
-package migrations
-
-import (
-	"github.com/go-gormigrate/gormigrate/v2"
-	"gorm.io/gorm"
-)
-
-// Add response_received column to request_events table
-var _202407131920_add_response_state_to_request_events = &gormigrate.Migration{
-	ID: "202407131920_add_response_state_to_request_events",
-	Migrate: func(tx *gorm.DB) error {
-		if err := tx.Exec("ALTER TABLE request_events ADD COLUMN response_received BOOLEAN DEFAULT FALSE").Error; err != nil {
-			return err
-		}
-
-		// Update response_received to TRUE if there is a corresponding row in response_events
-		if err := tx.Exec(`
-			UPDATE request_events
-			SET response_received = TRUE
-			WHERE id IN (SELECT request_id FROM response_events WHERE request_id IS NOT NULL)
-		`).Error; err != nil {
-			return err
-		}
-
-		return nil
-	},
-	Rollback: func(tx *gorm.DB) error {
-		if err := tx.Exec("ALTER TABLE request_events DROP COLUMN response_received").Error; err != nil {
-			return err
-		}
-		return nil
-	},
-}
diff --git a/migrations/202407171220_add_response_state_to_request_events.go b/migrations/202407171220_add_response_state_to_request_events.go
new file mode 100644
index 0000000..9c904a6
--- /dev/null
+++ b/migrations/202407171220_add_response_state_to_request_events.go
@@ -0,0 +1,33 @@
+package migrations
+
+import (
+	"github.com/go-gormigrate/gormigrate/v2"
+	"gorm.io/gorm"
+)
+
+// Add response_received_at column to request_events table
+var _202407171220_add_response_received_at_to_request_events = &gormigrate.Migration{
+	ID: "202407171220_add_response_received_at_to_request_events",
+	Migrate: func(tx *gorm.DB) error {
+		if err := tx.Exec("ALTER TABLE request_events ADD COLUMN response_received_at TIMESTAMP DEFAULT '0001-01-01 00:00:00+00'").Error; err != nil {
+			return err
+		}
+
+		// Update response_received_at if there is a corresponding row in response_events
+		if err := tx.Exec(`
+			UPDATE request_events re
+			SET response_received_at = (SELECT created_at FROM response_events WHERE request_id = re.id)
+			WHERE id IN (SELECT request_id FROM response_events WHERE request_id IS NOT NULL)
+		`).Error; err != nil {
+			return err
+		}
+
+		return nil
+	},
+	Rollback: func(tx *gorm.DB) error {
+		if err := tx.Exec("ALTER TABLE request_events DROP COLUMN response_received_at").Error; err != nil {
+			return err
+		}
+		return nil
+	},
+}
diff --git a/migrations/migrate.go b/migrations/migrate.go
index e0280a5..444adee 100644
--- a/migrations/migrate.go
+++ b/migrations/migrate.go
@@ -11,7 +11,7 @@ func Migrate(db *gorm.DB) error {
 		_202402161653_initial_migration,
 		_202404021628_add_uuid_to_subscriptions,
 		_202404031539_add_indexes,
-		_202407131920_add_response_state_to_request_events,
+		_202407171220_add_response_received_at_to_request_events,
 	})
 
 	return m.Migrate()