diff --git a/events/bp/tickets/routes.py b/events/bp/tickets/routes.py
index 30bab2a..a7497b9 100644
--- a/events/bp/tickets/routes.py
+++ b/events/bp/tickets/routes.py
@@ -286,6 +286,10 @@ def register() -> Blueprint:
                         ticket_type_id=tt.id,
                     )
 
+        # Commit so cart's callback to events sees the updated tickets
+        await g.tx.commit()
+        g.tx = await g.s.begin()
+
         # Compute cart count for OOB mini-cart update
         from shared.infrastructure.data_client import fetch_data
         from shared.contracts.dtos import CartSummaryDTO, dto_from_dict