diff --git a/src/types/pcm.d.ts b/src/types/pcm.d.ts
index 838f0c506..33248e52e 100644
--- a/src/types/pcm.d.ts
+++ b/src/types/pcm.d.ts
@@ -86,6 +86,7 @@ export interface ProductComponentOption {
   quantity: number
   type: string
   sort_order?: number | null
+  default?: boolean
   meta: {
     name: string
     sku: string