diff --git a/index.ko.html b/index.ko.html
index 062a77f1..5766999b 100644
--- a/index.ko.html
+++ b/index.ko.html
@@ -288,8 +288,7 @@ <h3>한글 안내서</h3>
 				<ul>
 					<li><a href="http://git-scm.com/book/ko">Pro Git</a></li>
 					<li><a href="http://marklodato.github.io/visual-git-guide/index-ko.html">A Visual Git Guide</a></li>
-					<li><a href="http://dalinaum-kr.tumblr.com/post/15516936704/git-work-flow">Git 작업 흐름</a></li>
-					<li><a href="http://learnbranch.urigit.com">Git 브랜치 배우기</a></li>
+					<li><a href="https://learngitbranching.js.org/?locale=ko">Git 브랜치 배우기</a></li>
 				</ul>
 			</p>
 			<h3>영문 안내서</h3>