diff --git a/descriptions/0/api.intercom.io.yaml b/descriptions/0/api.intercom.io.yaml
index 130b8ed..a5bb52f 100644
--- a/descriptions/0/api.intercom.io.yaml
+++ b/descriptions/0/api.intercom.io.yaml
@@ -8526,6 +8526,7 @@ paths:
                       has_more: false
                     category: Customer
                     is_shared: true
+                    previous_ticket_state_id: '7490'
               schema:
                 "$ref": "#/components/schemas/ticket"
         '400':
@@ -22848,6 +22849,13 @@ components:
           type: boolean
           description: Whether or not the ticket is shared with the customer.
           example: true
+        previous_ticket_state_id:
+          type: string
+          nullable: true
+          description: The ID of the previous ticket state from the most recent state
+            change. Returns null if no state change history exists. Useful for tracking
+            state transitions for reporting and compliance.
+          example: '7493'
     ticket_deleted:
       title: Ticket Deleted
       type: object