diff --git a/data/tickets.json b/data/tickets.json
index 8463851..5799a76 100644
--- a/data/tickets.json
+++ b/data/tickets.json
@@ -1,7 +1,7 @@
 {
   "earlybird": {
     "price": 380,
-    "available_number": 42,
+    "available_number": 41,
     "total_size": 50,
     "available": true
   },