diff --git a/jobis-application/src/main/java/team/retum/jobis/domain/application/model/ApplicationStatus.java b/jobis-application/src/main/java/team/retum/jobis/domain/application/model/ApplicationStatus.java
index 5c381bd56..39ba55824 100644
--- a/jobis-application/src/main/java/team/retum/jobis/domain/application/model/ApplicationStatus.java
+++ b/jobis-application/src/main/java/team/retum/jobis/domain/application/model/ApplicationStatus.java
@@ -19,6 +19,6 @@ public enum ApplicationStatus {
     ACCEPTANCE("근로계약"),
     REJECTED("반려");
 
-    public static final List<ApplicationStatus> DUPLICATE_CHECK = List.of(APPROVED, PASS, FIELD_TRAIN);
+    public static final List<ApplicationStatus> DUPLICATE_CHECK = List.of(REQUESTED, SEND, PROCESSING, ACCEPTANCE, APPROVED, PASS, FIELD_TRAIN);
     private final String name;
 }
diff --git a/jobis-infrastructure/src/main/java/team/retum/jobis/domain/application/presentation/dto/request/CreateApplicationWebRequest.java b/jobis-infrastructure/src/main/java/team/retum/jobis/domain/application/presentation/dto/request/CreateApplicationWebRequest.java
index f907039ab..4beff0a1a 100644
--- a/jobis-infrastructure/src/main/java/team/retum/jobis/domain/application/presentation/dto/request/CreateApplicationWebRequest.java
+++ b/jobis-infrastructure/src/main/java/team/retum/jobis/domain/application/presentation/dto/request/CreateApplicationWebRequest.java
@@ -14,6 +14,7 @@
 public class CreateApplicationWebRequest {
 
     @ValidListElements
+    @NotNull
     private List<AttachmentWebRequest> attachments;
 
     @Getter
diff --git a/jobis-infrastructure/src/main/java/team/retum/jobis/domain/file/presentation/dto/CreatePreSignedUrlWebRequest.java b/jobis-infrastructure/src/main/java/team/retum/jobis/domain/file/presentation/dto/CreatePreSignedUrlWebRequest.java
index f0e57b4d3..99c1cfb2d 100644
--- a/jobis-infrastructure/src/main/java/team/retum/jobis/domain/file/presentation/dto/CreatePreSignedUrlWebRequest.java
+++ b/jobis-infrastructure/src/main/java/team/retum/jobis/domain/file/presentation/dto/CreatePreSignedUrlWebRequest.java
@@ -6,7 +6,6 @@
 import jakarta.validation.constraints.Pattern;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
-import org.springframework.validation.annotation.Validated;
 import team.retum.jobis.domain.file.model.FileType;
 import team.retum.jobis.global.util.RegexProperty;
 
diff --git a/jobis-infrastructure/src/main/java/team/retum/jobis/global/util/RegexProperty.java b/jobis-infrastructure/src/main/java/team/retum/jobis/global/util/RegexProperty.java
index 9980f4267..ad73c03ed 100644
--- a/jobis-infrastructure/src/main/java/team/retum/jobis/global/util/RegexProperty.java
+++ b/jobis-infrastructure/src/main/java/team/retum/jobis/global/util/RegexProperty.java
@@ -11,7 +11,7 @@ public class RegexProperty {
 
     public static final String WORKING_HOURS = "^([01][0-9]|2[0-3]):([0-5][0-9]) ~ ([01][0-9]|2[0-3]):([0-5][0-9])$";
 
-    public static final String FILE_NAME = "^[a-zA-Z0-9가-힣\\s_-]+\\.[a-zA-Z0-9]+$";
+    public static final String FILE_NAME = "^.+\\..+$";
 
     public static final String EMAIL = "^[a-zA-Z0-9+-\\_.]+@[a-zA-Z0-9-]+\\.[a-zA-Z0-9-.]+$";
 }