diff --git a/Threaded/ThreadedApp.swift b/Threaded/ThreadedApp.swift
index 02cb60b..74b645a 100644
--- a/Threaded/ThreadedApp.swift
+++ b/Threaded/ThreadedApp.swift
@@ -12,7 +12,9 @@ struct ThreadedApp: App {
             #if DEBUG
             Purchases.logLevel = .debug
             #endif
-            Purchases.configure(withAPIKey: apiKey, appUserID: deviceId)
+            if #available(iOS 18.0, *) {
+                Purchases.configure(withAPIKey: apiKey, appUserID: deviceId)
+            }
         }
     }