diff --git a/layer-api/src/main/java/org/layer/config/AuthValueConfig.java b/layer-api/src/main/java/org/layer/config/AuthValueConfig.java
index bb5c6b28..a833980e 100644
--- a/layer-api/src/main/java/org/layer/config/AuthValueConfig.java
+++ b/layer-api/src/main/java/org/layer/config/AuthValueConfig.java
@@ -18,7 +18,7 @@ public class AuthValueConfig {
     private Long accessTokenExpirationTime;
 
     // public static final Long ACCESS_TOKEN_EXPIRATION_TIME = 1000 * 60 * 60 * 24 * 14L;
-    public static final Long REFRESH_TOKEN_EXPIRATION_TIME = 1000 * 60 * 60 * 24 * 14L; // 2주
+    public static final Long REFRESH_TOKEN_EXPIRATION_TIME = 1000 * 60 * 60 * 24 * 30L; // 30일
 
     @PostConstruct
     protected void init() {
diff --git a/layer-api/src/main/java/org/layer/jwt/service/JwtService.java b/layer-api/src/main/java/org/layer/jwt/service/JwtService.java
index f6de2d21..786a0f31 100644
--- a/layer-api/src/main/java/org/layer/jwt/service/JwtService.java
+++ b/layer-api/src/main/java/org/layer/jwt/service/JwtService.java
@@ -70,7 +70,7 @@ public JwtToken reissueToken(String requestRefreshToken, Long memberId) {
     }
 
     private void saveRefreshTokenToRedis(Long memberId, String refreshToken) {
-        redisTemplate.opsForValue().set(memberId.toString(), refreshToken, Duration.ofDays(14));
+        redisTemplate.opsForValue().set(memberId.toString(), refreshToken, Duration.ofMillis(REFRESH_TOKEN_EXPIRATION_TIME));
     }
 
     private String getRefreshTokenFromRedis(Long memberId) {