diff --git a/src/index.ts b/src/index.ts
index a530c9b..5b89292 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -23,8 +23,8 @@ interface API {
 }
 
 const app = new Hono();
-const latest_version = "4.1.6"
-const latest_display_version = "4.1 Nightly 3"
+const latest_version = "4.1.8"
+const latest_display_version = "4.1 Nightly 4"
 
 // バージョンの表記方法を定義
 class Version {