diff --git a/korean/README.md b/korean/README.md
index 25fc0dd..ce4721d 100644
--- a/korean/README.md
+++ b/korean/README.md
@@ -26,7 +26,7 @@
 
 * [제8 장](./chapter08/problems/chapter08.pdf)
 
-* [제9 장](./chapter09/problems/chapter09.pdf)
+* [제9 장 (번역완료)](./chapter09/problems/chapter09.pdf)
 
 다른 장들의 추가 연습문제들은 곧 업로드 될 것입니다.
 
diff --git a/korean/chapter09/problems/chapter09.pdf b/korean/chapter09/problems/chapter09.pdf
index c09f4b3..a2fd346 100644
Binary files a/korean/chapter09/problems/chapter09.pdf and b/korean/chapter09/problems/chapter09.pdf differ