diff --git a/src/services/license-service.ts b/src/services/license-service.ts
index 79cb244..e78bdbf 100644
--- a/src/services/license-service.ts
+++ b/src/services/license-service.ts
@@ -111,7 +111,7 @@ export class LicenseService {
    * 调用远程许可证API
    */
   private static async callRemoteLicenseAPI(domain: string, pluginId: string): Promise<string | null> {
-    const url = 'https://penguin-informed-mildly.ngrok-free.app/api/license/check';
+    const url = 'https://kintone.alicorns.co.jp/api/license/check';
     const method = 'POST';
     const headers = { 'Content-Type': 'application/json' };
     const body = {