diff --git a/src/components/Profile.tsx b/src/components/Profile.tsx
index e1a7007..1e5f4eb 100644
--- a/src/components/Profile.tsx
+++ b/src/components/Profile.tsx
@@ -77,7 +77,10 @@ export default function Profile() {
                 <h2 className="text-2xl font-semibold dark:text-gray-200 mt-2 mb-1 ml-1">{t("licenses")}</h2>
                 <ul className="max-w-md space-y-1 ml-5 list-disc list-inside dark:text-gray-400">
                     <li>
-                        ITIL® 4 Foundation ({t("year/month", { year: 2025, month: localizedMonth(3) })})
+                        高度ITアーキテクト育成協議会 (AITAC) STEP1 ({t("year/month", { year: 2025, month: localizedMonth(3) })})
+                    </li>
+                    <li>
+                        ITIL® 4 Foundation ({t("year/month", { year: 2025, month: localizedMonth(2) })})
                     </li>
                     <li>
                         IPA 基本情報技術者 ({t("year/month", { year: 2022, month: localizedMonth(4) })})
diff --git a/src/locales/ja.json b/src/locales/ja.json
index 0650142..19dcd5e 100644
--- a/src/locales/ja.json
+++ b/src/locales/ja.json
@@ -28,6 +28,6 @@
         "body": "本文",
         "send": "送信",
         "iij": "株式会社インターネットイニシアティブ",
-        "iij-work": "見習い"
+        "iij-work": "パブリッククラウドにおける HaaS レイヤーの開発"
     }
 }