diff --git a/packages/prisma/migrations/20250425220800_add_selected_calendar_credential_id_index/migration.sql b/packages/prisma/migrations/20250425220800_add_selected_calendar_credential_id_index/migration.sql
new file mode 100644
index 0000000000..375055326a
--- /dev/null
+++ b/packages/prisma/migrations/20250425220800_add_selected_calendar_credential_id_index/migration.sql
@@ -0,0 +1,2 @@
+-- CreateIndex
+CREATE INDEX "SelectedCalendar_credentialId_idx" ON "SelectedCalendar"("credentialId");
diff --git a/packages/prisma/schema.prisma b/packages/prisma/schema.prisma
index 22ec5085d8..f75a33f6ab 100644
--- a/packages/prisma/schema.prisma
+++ b/packages/prisma/schema.prisma
@@ -790,6 +790,7 @@ model SelectedCalendar {
   @@index([integration])
   @@index([externalId])
   @@index([eventTypeId])
+  @@index([credentialId])
 }
 
 enum EventTypeCustomInputType {