diff --git a/HalfFifty_BE/src/main/java/HalfFifty/HalfFifty_BE/translation/domain/DTO/RequestSignLanguageDTO.java b/HalfFifty_BE/src/main/java/HalfFifty/HalfFifty_BE/translation/domain/DTO/RequestSignLanguageDTO.java
index abd06d8..6ce389b 100644
--- a/HalfFifty_BE/src/main/java/HalfFifty/HalfFifty_BE/translation/domain/DTO/RequestSignLanguageDTO.java
+++ b/HalfFifty_BE/src/main/java/HalfFifty/HalfFifty_BE/translation/domain/DTO/RequestSignLanguageDTO.java
@@ -7,6 +7,6 @@
 
 @Data
 public class RequestSignLanguageDTO {
-    private List<List<Double>> keypoints;  // 10 x 55 형태의 키포인트 데이터
+    private List<List<List<List<Double>>>> keypoints;  // 10 x 55 형태의 키포인트 데이터
     private UUID userId;  // 사용자 식별 ID
 }