diff --git a/src/main/java/clap/server/adapter/inbound/web/dto/task/request/ApprovalTaskRequest.java b/src/main/java/clap/server/adapter/inbound/web/dto/task/request/ApprovalTaskRequest.java
index f2af58fb..09d72c54 100644
--- a/src/main/java/clap/server/adapter/inbound/web/dto/task/request/ApprovalTaskRequest.java
+++ b/src/main/java/clap/server/adapter/inbound/web/dto/task/request/ApprovalTaskRequest.java
@@ -12,7 +12,7 @@ public record ApprovalTaskRequest(
         Long categoryId,
 
         @NotNull
-        @Schema(description = "처리자 ID",
+        @Schema(description = "담당자 ID",
                 example = "2")
         Long processorId,
 
diff --git a/src/main/java/clap/server/adapter/inbound/web/dto/task/request/FilterTaskListRequest.java b/src/main/java/clap/server/adapter/inbound/web/dto/task/request/FilterTaskListRequest.java
index b09d3048..eb7f3527 100644
--- a/src/main/java/clap/server/adapter/inbound/web/dto/task/request/FilterTaskListRequest.java
+++ b/src/main/java/clap/server/adapter/inbound/web/dto/task/request/FilterTaskListRequest.java
@@ -24,7 +24,7 @@ public record FilterTaskListRequest(
         @NotNull
         String title,
 
-        @Schema(description = "요청자/처리자 닉네임", example = "atom.park")
+        @Schema(description = "요청자/담당자 닉네임", example = "atom.park")
         @NotNull
         String nickName,
 
diff --git a/src/main/java/clap/server/adapter/inbound/web/dto/task/request/FilterTeamStatusRequest.java b/src/main/java/clap/server/adapter/inbound/web/dto/task/request/FilterTeamStatusRequest.java
index f7e366d6..91524ffc 100644
--- a/src/main/java/clap/server/adapter/inbound/web/dto/task/request/FilterTeamStatusRequest.java
+++ b/src/main/java/clap/server/adapter/inbound/web/dto/task/request/FilterTeamStatusRequest.java
@@ -12,10 +12,11 @@ public record FilterTeamStatusRequest(
         SortBy sortBy,
 
         @Schema(description = "1차 카테고리 ID 목록", example = "[10, 20, 30]")
-        @NotBlank
+        @NotNull
         List<Long> mainCategoryIds,
 
         @Schema(description = "2차 카테고리 ID 목록", example = "[1, 2, 3]")
+        @NotNull
         List<Long> categoryIds,
 
         @Schema(description = "작업 타이틀 검색", example = "타이틀1")
diff --git a/src/main/java/clap/server/adapter/inbound/web/dto/task/request/UpdateTaskStatusRequest.java b/src/main/java/clap/server/adapter/inbound/web/dto/task/request/UpdateTaskStatusRequest.java
new file mode 100644
index 00000000..3a742ca5
--- /dev/null
+++ b/src/main/java/clap/server/adapter/inbound/web/dto/task/request/UpdateTaskStatusRequest.java
@@ -0,0 +1,10 @@
+package clap.server.adapter.inbound.web.dto.task.request;
+
+import clap.server.adapter.outbound.persistense.entity.task.constant.TaskStatus;
+import jakarta.validation.constraints.NotNull;
+
+public record UpdateTaskStatusRequest(
+        @NotNull
+        TaskStatus taskStatus
+) {
+}
diff --git a/src/main/java/clap/server/adapter/inbound/web/task/ChangeTaskController.java b/src/main/java/clap/server/adapter/inbound/web/task/ChangeTaskController.java
index 82b3bf21..723c919a 100644
--- a/src/main/java/clap/server/adapter/inbound/web/task/ChangeTaskController.java
+++ b/src/main/java/clap/server/adapter/inbound/web/task/ChangeTaskController.java
@@ -4,9 +4,9 @@
 import clap.server.adapter.inbound.web.dto.task.request.ApprovalTaskRequest;
 import clap.server.adapter.inbound.web.dto.task.request.UpdateTaskLabelRequest;
 import clap.server.adapter.inbound.web.dto.task.request.UpdateTaskProcessorRequest;
+import clap.server.adapter.inbound.web.dto.task.request.UpdateTaskStatusRequest;
 import clap.server.adapter.inbound.web.dto.task.response.ApprovalTaskResponse;
 import clap.server.adapter.outbound.persistense.entity.log.constant.LogStatus;
-import clap.server.adapter.outbound.persistense.entity.task.constant.TaskStatus;
 import clap.server.application.port.inbound.task.ApprovalTaskUsecase;
 import clap.server.application.port.inbound.task.UpdateTaskLabelUsecase;
 import clap.server.application.port.inbound.task.UpdateTaskProcessorUsecase;
@@ -36,6 +36,7 @@ public class ChangeTaskController {
     private final UpdateTaskProcessorUsecase updateTaskProcessorUsecase;
     private final UpdateTaskLabelUsecase updateTaskLabelUsecase;
     private final ApprovalTaskUsecase approvalTaskUsecase;
+
     @LogType(LogStatus.STATUS_CHANGED)
     @Operation(summary = "작업 상태 변경")
     @Secured("ROLE_MANAGER")
@@ -45,13 +46,13 @@ public void updateTaskState(
             @AuthenticationPrincipal SecurityUserDetails userInfo,
             @Parameter(description = "변경하고 싶은 작업 상태",
                     schema = @Schema(allowableValues = {"IN_PROGRESS", "IN_REVIEWING", "COMPLETED"}))
-            @RequestBody TaskStatus taskStatus) {
+            @RequestBody @Valid UpdateTaskStatusRequest request) {
 
-        updateTaskStatusUsecase.updateTaskStatus(userInfo.getUserId(), taskId, taskStatus);
+        updateTaskStatusUsecase.updateTaskStatus(userInfo.getUserId(), taskId, request.taskStatus());
     }
 
     @LogType(LogStatus.ASSIGNER_CHANGED)
-    @Operation(summary = "작업 처리자 변경")
+    @Operation(summary = "작업 담당자 변경")
     @Secured({"ROLE_MANAGER"})
     @PatchMapping("/{taskId}/processor")
     public void updateTaskProcessor(
@@ -70,6 +71,7 @@ public void updateTaskLabel(
             @Valid @RequestBody UpdateTaskLabelRequest updateTaskLabelRequest) {
         updateTaskLabelUsecase.updateTaskLabel(taskId, userInfo.getUserId(), updateTaskLabelRequest);
     }
+
     @LogType(LogStatus.REQUEST_APPROVED)
     @Operation(summary = "작업 승인")
     @Secured({"ROLE_MANAGER"})
diff --git a/src/main/java/clap/server/adapter/outbound/persistense/entity/log/constant/LogStatus.java b/src/main/java/clap/server/adapter/outbound/persistense/entity/log/constant/LogStatus.java
index 85d283c6..849cb05b 100644
--- a/src/main/java/clap/server/adapter/outbound/persistense/entity/log/constant/LogStatus.java
+++ b/src/main/java/clap/server/adapter/outbound/persistense/entity/log/constant/LogStatus.java
@@ -12,7 +12,7 @@ public enum LogStatus {
     REQUEST_UPDATED("요청 수정"),
     REQUEST_CANCELLED("요청 취소"),
     REQUEST_APPROVED("요청 승인"),
-    ASSIGNER_CHANGED("처리자 변경"),
+    ASSIGNER_CHANGED("담당자 변경"),
     COMMENT_ADDED("댓글 추가"),
     COMMENT_UPDATED("댓글 수정"),
     STATUS_CHANGED("작업 상태 변경"),
diff --git a/src/main/java/clap/server/adapter/outbound/persistense/entity/notification/constant/NotificationType.java b/src/main/java/clap/server/adapter/outbound/persistense/entity/notification/constant/NotificationType.java
index 955db493..efa40218 100644
--- a/src/main/java/clap/server/adapter/outbound/persistense/entity/notification/constant/NotificationType.java
+++ b/src/main/java/clap/server/adapter/outbound/persistense/entity/notification/constant/NotificationType.java
@@ -9,8 +9,8 @@ public enum NotificationType {
     COMMENT("댓글"),
     TASK_REQUESTED("작업 요청"),
     STATUS_SWITCHED("상태 전환"),
-    PROCESSOR_ASSIGNED("처리자 할당"),
-    PROCESSOR_CHANGED("처리자 변경"),
+    PROCESSOR_ASSIGNED("담당자 할당"),
+    PROCESSOR_CHANGED("담당자 변경"),
     INVITATION("회원가입 초대");
 
     private final String description;
diff --git a/src/main/java/clap/server/adapter/outbound/persistense/entity/task/constant/TaskHistoryType.java b/src/main/java/clap/server/adapter/outbound/persistense/entity/task/constant/TaskHistoryType.java
index 3b7861a9..360eb05c 100644
--- a/src/main/java/clap/server/adapter/outbound/persistense/entity/task/constant/TaskHistoryType.java
+++ b/src/main/java/clap/server/adapter/outbound/persistense/entity/task/constant/TaskHistoryType.java
@@ -9,8 +9,8 @@ public enum TaskHistoryType {
     COMMENT("댓글"),
     COMMENT_FILE("댓글 첨부파일"),
     STATUS_SWITCHED("상태 전환"),
-    PROCESSOR_ASSIGNED("처리자 할당"),
-    PROCESSOR_CHANGED("처리자 변경"),
+    PROCESSOR_ASSIGNED("담당자 할당"),
+    PROCESSOR_CHANGED("담당자 변경"),
     TASK_TERMINATED("작업 종료됨");
 
     private final String description;