diff --git a/src/main/java/sopt/org/hmh/domain/app/domain/AppConstants.java b/src/main/java/sopt/org/hmh/domain/app/domain/AppConstants.java
index 5d4e6c17..744ee28d 100644
--- a/src/main/java/sopt/org/hmh/domain/app/domain/AppConstants.java
+++ b/src/main/java/sopt/org/hmh/domain/app/domain/AppConstants.java
@@ -6,5 +6,5 @@
 @NoArgsConstructor(access = AccessLevel.PRIVATE)
 public abstract class AppConstants {
     public static final Long MINIMUM_APP_TIME = 0L;
-    public static final Long MAXIMUM_APP_TIME = 3659000L;
+    public static final Long MAXIMUM_APP_TIME = 21_600_000L; // 6시간
 }
\ No newline at end of file