diff --git a/docs/v3-api.yaml b/docs/v3-api.yaml
index d900e254f..059619cd8 100644
--- a/docs/v3-api.yaml
+++ b/docs/v3-api.yaml
@@ -6098,6 +6098,10 @@ components:
           uniqueItems: false
           items:
             type: string
+        bio:
+          type: string
+          description: 自己紹介(biography)
+          maxLength: 1000
     BotTokens:
       title: BotTokens
       type: object
@@ -6179,6 +6183,7 @@ components:
         - endpoint
         - privileged
         - channels
+        - bio
     BotEventLog:
       title: BotEventLog
       type: object
diff --git a/repository/bot.go b/repository/bot.go
index b58adf5a3..7a0fcad0a 100644
--- a/repository/bot.go
+++ b/repository/bot.go
@@ -19,6 +19,7 @@ type UpdateBotArgs struct {
 	Privileged      optional.Of[bool]
 	CreatorID       optional.Of[uuid.UUID]
 	SubscribeEvents model.BotEventTypes
+	Bio             optional.Of[string]
 }
 
 // BotsQuery Bot情報取得用クエリ
diff --git a/repository/gorm/bot.go b/repository/gorm/bot.go
index 9c2e528ec..2382e0023 100644
--- a/repository/gorm/bot.go
+++ b/repository/gorm/bot.go
@@ -93,6 +93,7 @@ func (repo *Repository) UpdateBot(id uuid.UUID, args repository.UpdateBotArgs) e
 		return repository.ErrNilID
 	}
 	var (
+		u           model.User
 		b           model.Bot
 		updated     bool
 		userUpdated bool
@@ -137,6 +138,17 @@ func (repo *Repository) UpdateBot(id uuid.UUID, args repository.UpdateBotArgs) e
 			}
 			userUpdated = true
 		}
+
+		if args.Bio.Valid {
+			if err := tx.Preload("Profile").First(&u, model.User{ID: b.BotUserID}).Error; err != nil {
+				return convertError(err)
+			}
+
+			if err := tx.Model(u.Profile).Update("bio", args.Bio.V).Error; err != nil {
+				return err
+			}
+			userUpdated = true
+		}
 		return nil
 	})
 	if err != nil {
diff --git a/router/v3/bots.go b/router/v3/bots.go
index 970e38b39..74103ff7e 100644
--- a/router/v3/bots.go
+++ b/router/v3/bots.go
@@ -144,6 +144,7 @@ type PatchBotRequest struct {
 	Privileged      optional.Of[bool]      `json:"privileged"`
 	DeveloperID     optional.Of[uuid.UUID] `json:"developerId"`
 	SubscribeEvents model.BotEventTypes    `json:"subscribeEvents"`
+	Bio             optional.Of[string]    `json:"bio"`
 }
 
 func (r PatchBotRequest) ValidateWithContext(ctx context.Context) error {
@@ -154,6 +155,7 @@ func (r PatchBotRequest) ValidateWithContext(ctx context.Context) error {
 		vd.Field(&r.Endpoint, is.URL, validator.NotInternalURL),
 		vd.Field(&r.DeveloperID, validator.NotNilUUID, utils.IsActiveHumanUserID),
 		vd.Field(&r.SubscribeEvents, utils.IsValidBotEvents),
+		vd.Field(&r.Bio, vd.RuneLength(0, 1000)),
 	)
 }
 
@@ -184,6 +186,7 @@ func (h *Handlers) EditBot(c echo.Context) error {
 		Privileged:      req.Privileged,
 		CreatorID:       req.DeveloperID,
 		SubscribeEvents: req.SubscribeEvents,
+		Bio:             req.Bio,
 	}
 
 	if err := h.Repo.UpdateBot(b.ID, args); err != nil {
diff --git a/router/v3/bots_test.go b/router/v3/bots_test.go
index 6e434a517..693e7c958 100644
--- a/router/v3/bots_test.go
+++ b/router/v3/bots_test.go
@@ -531,6 +531,7 @@ func TestHandlers_EditBot(t *testing.T) {
 				SubscribeEvents: map[model.BotEventType]struct{}{
 					event.Ping: {},
 				},
+				Bio: optional.From("Bio"),
 			}).
 			Expect().
 			Status(http.StatusNoContent)