diff --git a/src/main/java/com/ku/covigator/dto/request/PostReissueTokenRequest.java b/src/main/java/com/ku/covigator/dto/request/PostReissueTokenRequest.java
index 05228bf..ff484e8 100644
--- a/src/main/java/com/ku/covigator/dto/request/PostReissueTokenRequest.java
+++ b/src/main/java/com/ku/covigator/dto/request/PostReissueTokenRequest.java
@@ -1,8 +1,10 @@
 package com.ku.covigator.dto.request;
 
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
 import jakarta.validation.constraints.NotNull;
 
+@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
 public record PostReissueTokenRequest(
-
         @NotNull(message = "NULL일 수 없습니다.") String refreshToken) {
 }