diff --git a/apps/timo-web/api/generated/endpoints/todo/todo.ts b/apps/timo-web/api/generated/endpoints/todo/todo.ts
index ba2c70bb..0fd8f0fe 100644
--- a/apps/timo-web/api/generated/endpoints/todo/todo.ts
+++ b/apps/timo-web/api/generated/endpoints/todo/todo.ts
@@ -17,6 +17,7 @@ import type {
   BaseResponseTodoDetailResponse,
   BaseResponseTodoReorderResponse,
   BaseResponseTodoStatusChangeResponse,
+  ChangeSubtaskStatusParams,
   ErrorDto,
   GetTodoDetailParams,
   SubtaskStatusUpdateRequest,
@@ -509,6 +510,7 @@ export const changeSubtaskStatus = (
   todoId: number,
   subtaskId: number,
   subtaskStatusUpdateRequest: BodyType<SubtaskStatusUpdateRequest>,
+  params: ChangeSubtaskStatusParams,
   options?: SecondParameter<typeof customInstance>,
   signal?: AbortSignal,
 ) => {
@@ -518,6 +520,7 @@ export const changeSubtaskStatus = (
       method: "PATCH",
       headers: { "Content-Type": "application/json" },
       data: subtaskStatusUpdateRequest,
+      params,
       signal,
     },
     options,
@@ -535,6 +538,7 @@ export const getChangeSubtaskStatusMutationOptions = <
       todoId: number;
       subtaskId: number;
       data: BodyType<SubtaskStatusUpdateRequest>;
+      params: ChangeSubtaskStatusParams;
     },
     TContext
   >;
@@ -546,6 +550,7 @@ export const getChangeSubtaskStatusMutationOptions = <
     todoId: number;
     subtaskId: number;
     data: BodyType<SubtaskStatusUpdateRequest>;
+    params: ChangeSubtaskStatusParams;
   },
   TContext
 > => {
@@ -564,11 +569,12 @@ export const getChangeSubtaskStatusMutationOptions = <
       todoId: number;
       subtaskId: number;
       data: BodyType<SubtaskStatusUpdateRequest>;
+      params: ChangeSubtaskStatusParams;
     }
   > = (props) => {
-    const { todoId, subtaskId, data } = props ?? {};
+    const { todoId, subtaskId, data, params } = props ?? {};
 
-    return changeSubtaskStatus(todoId, subtaskId, data, requestOptions);
+    return changeSubtaskStatus(todoId, subtaskId, data, params, requestOptions);
   };
 
   return { mutationFn, ...mutationOptions };
@@ -596,6 +602,7 @@ export const useChangeSubtaskStatus = <
         todoId: number;
         subtaskId: number;
         data: BodyType<SubtaskStatusUpdateRequest>;
+        params: ChangeSubtaskStatusParams;
       },
       TContext
     >;
@@ -609,6 +616,7 @@ export const useChangeSubtaskStatus = <
     todoId: number;
     subtaskId: number;
     data: BodyType<SubtaskStatusUpdateRequest>;
+    params: ChangeSubtaskStatusParams;
   },
   TContext
 > => {
diff --git a/apps/timo-web/api/generated/models/changeSubtaskStatusParams.ts b/apps/timo-web/api/generated/models/changeSubtaskStatusParams.ts
new file mode 100644
index 00000000..0522f55d
--- /dev/null
+++ b/apps/timo-web/api/generated/models/changeSubtaskStatusParams.ts
@@ -0,0 +1,14 @@
+/**
+ * Generated by orval v8.20.0 🍺
+ * Do not edit manually.
+ * Timo API
+ * Timo 서버 API 명세서
+ * OpenAPI spec version: v1
+ */
+
+export interface ChangeSubtaskStatusParams {
+  /**
+   * 완료 상태를 변경할 날짜 (ISO). 반복 TODO는 날짜별로 완료가 분리됩니다.
+   */
+  date: string;
+}
diff --git a/apps/timo-web/api/generated/models/index.ts b/apps/timo-web/api/generated/models/index.ts
index e4e610e7..a9b38cd3 100644
--- a/apps/timo-web/api/generated/models/index.ts
+++ b/apps/timo-web/api/generated/models/index.ts
@@ -49,6 +49,7 @@ export * from "./calendarDayResponse";
 export * from "./calendarDisconnectResponse";
 export * from "./calendarEventResponse";
 export * from "./calendarEventsResponse";
+export * from "./changeSubtaskStatusParams";
 export * from "./dailyTodoResponse";
 export * from "./dayCompletionResponse";
 export * from "./dayResponse";
diff --git a/apps/timo-web/api/generated/models/todoSubtaskUpdateRequest.ts b/apps/timo-web/api/generated/models/todoSubtaskUpdateRequest.ts
index 550da0d5..10420e0d 100644
--- a/apps/timo-web/api/generated/models/todoSubtaskUpdateRequest.ts
+++ b/apps/timo-web/api/generated/models/todoSubtaskUpdateRequest.ts
@@ -10,5 +10,4 @@ export interface TodoSubtaskUpdateRequest {
   subtaskId?: number;
   /** @minLength 1 */
   content: string;
-  completed: boolean;
 }
diff --git a/apps/timo-web/app/[locale]/(main)/(with-time-sidebar)/home/_hooks/use-home-todos-by-date.ts b/apps/timo-web/app/[locale]/(main)/(with-time-sidebar)/home/_hooks/use-home-todos-by-date.ts
index 2372754d..a5cd937f 100644
--- a/apps/timo-web/app/[locale]/(main)/(with-time-sidebar)/home/_hooks/use-home-todos-by-date.ts
+++ b/apps/timo-web/app/[locale]/(main)/(with-time-sidebar)/home/_hooks/use-home-todos-by-date.ts
@@ -234,7 +234,12 @@ export const useHomeTodosByDate = (
     }));
 
     changeSubtaskStatus(
-      { todoId, subtaskId, data: { isCompleted: completed } },
+      {
+        todoId,
+        subtaskId,
+        data: { isCompleted: completed },
+        params: { date: dateKey },
+      },
       {
         onSuccess: () => {
           invalidateHomeAndFocus();
diff --git a/apps/timo-web/app/[locale]/(main)/(with-time-sidebar)/today/_hooks/useTodayTodoList.ts b/apps/timo-web/app/[locale]/(main)/(with-time-sidebar)/today/_hooks/useTodayTodoList.ts
index 99b4cf8b..bf8975fc 100644
--- a/apps/timo-web/app/[locale]/(main)/(with-time-sidebar)/today/_hooks/useTodayTodoList.ts
+++ b/apps/timo-web/app/[locale]/(main)/(with-time-sidebar)/today/_hooks/useTodayTodoList.ts
@@ -233,7 +233,12 @@ export const useTodayTodoList = (
     );
 
     changeSubtaskStatus(
-      { todoId, subtaskId, data: { isCompleted: completed } },
+      {
+        todoId,
+        subtaskId,
+        data: { isCompleted: completed },
+        params: { date: dateKey },
+      },
       {
         onSuccess: () => {
           invalidateTodayView();
diff --git a/apps/timo-web/app/[locale]/(main)/focus/_hooks/use-focus-session.ts b/apps/timo-web/app/[locale]/(main)/focus/_hooks/use-focus-session.ts
index 066e8575..ee97c800 100644
--- a/apps/timo-web/app/[locale]/(main)/focus/_hooks/use-focus-session.ts
+++ b/apps/timo-web/app/[locale]/(main)/focus/_hooks/use-focus-session.ts
@@ -208,6 +208,7 @@ export const useFocusSession = ({
       todoId: todo.todoId,
       subtaskId,
       data: { isCompleted: completed },
+      params: { date: focusView.date },
     });
   };
 
diff --git a/apps/timo-web/hooks/todo-modal/detail/use-toggle-subtask-submit.ts b/apps/timo-web/hooks/todo-modal/detail/use-toggle-subtask-submit.ts
index 049c0b2f..df429fb4 100644
--- a/apps/timo-web/hooks/todo-modal/detail/use-toggle-subtask-submit.ts
+++ b/apps/timo-web/hooks/todo-modal/detail/use-toggle-subtask-submit.ts
@@ -35,7 +35,12 @@ export const useToggleSubtaskSubmit = () => {
     { onSuccess, onError }: ToggleSubtaskSubmitHandlers = {},
   ) => {
     changeSubtaskStatus(
-      { todoId, subtaskId, data: { isCompleted: completed } },
+      {
+        todoId,
+        subtaskId,
+        data: { isCompleted: completed },
+        params: { date },
+      },
       {
         onSuccess: () => {
           queryClient.invalidateQueries({ queryKey: getGetHomeQueryKey() });
diff --git a/apps/timo-web/utils/todo/detail-todo-update-request.ts b/apps/timo-web/utils/todo/detail-todo-update-request.ts
index 1a0fb4ed..d31fd790 100644
--- a/apps/timo-web/utils/todo/detail-todo-update-request.ts
+++ b/apps/timo-web/utils/todo/detail-todo-update-request.ts
@@ -27,7 +27,6 @@ export const buildDetailTodoSubtasksUpdateRequest = (
     .map((subtask) => ({
       subtaskId: subtask.subtaskId ?? undefined,
       content: subtask.value.trim(),
-      completed: subtask.completed,
     }))
     .filter((subtask) => subtask.content.length > 0);