diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f774a4..ebf5d0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,17 @@
 
 ## 2026-06-15
 
+### 🧪 #343 Jest+RTL 인프라 + ARIA Tabs + remotePatterns (v0.1.40)
+- Jest 30 + jest-environment-jsdom + RTL + jest-dom matchers 도입
+- next/jest 자동 SWC 통합, jest.config.ts + jest.setup.ts (setupFilesAfterEnv)
+- npm scripts: test, test:watch
+- 샘플 테스트 3개 13/13 통과: i18n/config(5), Stars(5), admin-utils(4)
+- MyReviewsList: role=tablist/tab/aria-selected/aria-controls/tabIndex + tabpanel
+- next.config.ts remotePatterns: Google avatar + YouTube thumbnail/avatar
+- 후속: 전체 컴포넌트 테스트 확장, 백엔드 JUnit, E2E(Playwright), CI 통합
+- 설계서: docs/design/343-frontend-test-infra/README.md
+- Refs: #343 (close)
+
 ### 🔤 #348 isNameSimilar 한국어 자모 + Sørensen-Dice (v0.1.38)
 - HangulSimilarity 유틸 신규 (Unicode NFD 분해 + bigram Sørensen-Dice)
 - RestaurantController.isNameSimilar 교체, 임계값 0.45