diff --git a/.changeset/chilled-dolls-chew.md b/.changeset/chilled-dolls-chew.md
new file mode 100644
index 0000000000..223c4d986e
--- /dev/null
+++ b/.changeset/chilled-dolls-chew.md
@@ -0,0 +1,5 @@
+---
+"@medusajs/types": patch
+---
+
+fix(types): cart item totals optional
diff --git a/packages/core/types/src/http/cart/common.ts b/packages/core/types/src/http/cart/common.ts
index 2f64592005..8609f24230 100644
--- a/packages/core/types/src/http/cart/common.ts
+++ b/packages/core/types/src/http/cart/common.ts
@@ -574,57 +574,57 @@ export interface BaseCartLineItemTotals {
   /**
    * The original total of the cart line item.
    */
-  original_total: number
+  original_total?: number
 
   /**
    * The original subtotal of the cart line item.
    */
-  original_subtotal: number
+  original_subtotal?: number
 
   /**
    * The original tax total of the cart line item.
    */
-  original_tax_total: number
+  original_tax_total?: number
 
   /**
    * The item total of the cart line item.
    */
-  item_total: number
+  item_total?: number
 
   /**
    * The item subtotal of the cart line item.
    */
-  item_subtotal: number
+  item_subtotal?: number
 
   /**
    * The item tax total of the cart line item.
    */
-  item_tax_total: number
+  item_tax_total?: number
 
   /**
    * The total of the cart line item.
    */
-  total: number
+  total?: number
 
   /**
    * The subtotal of the cart line item.
    */
-  subtotal: number
+  subtotal?: number
 
   /**
    * The tax total of the cart line item.
    */
-  tax_total: number
+  tax_total?: number
 
   /**
    * The discount total of the cart line item.
    */
-  discount_total: number
+  discount_total?: number
 
   /**
    * The discount tax total of the cart line item.
    */
-  discount_tax_total: number
+  discount_tax_total?: number
 }
 
 /**