diff --git a/src/spaceone/dashboard/model/private_widget/database.py b/src/spaceone/dashboard/model/private_widget/database.py
index acadb07..db72ba5 100644
--- a/src/spaceone/dashboard/model/private_widget/database.py
+++ b/src/spaceone/dashboard/model/private_widget/database.py
@@ -8,6 +8,7 @@ class PrivateWidget(MongoModel):
     name = StringField(max_length=100)
     description = StringField(default=None)
     widget_type = StringField(max_length=40, default="NONE")
+    size = StringField(default=None, null=True)
     options = DictField(default=None, null=True)
     tags = DictField(default=None)
     data_table_id = StringField(max_length=40, default=None, null=True)
@@ -22,6 +23,7 @@ class PrivateWidget(MongoModel):
             "name",
             "description",
             "widget_type",
+            "size",
             "options",
             "tags",
             "data_table_id",
diff --git a/src/spaceone/dashboard/model/private_widget/request.py b/src/spaceone/dashboard/model/private_widget/request.py
index 9e9b33a..1d8cf89 100644
--- a/src/spaceone/dashboard/model/private_widget/request.py
+++ b/src/spaceone/dashboard/model/private_widget/request.py
@@ -16,6 +16,7 @@ class PrivateWidgetCreateRequest(BaseModel):
     name: Union[str, None] = None
     description: Union[str, None] = None
     widget_type: Union[str, None] = None
+    size: Union[str, None] = None
     options: Union[dict, None] = None
     tags: Union[dict, None] = None
     user_id: str
@@ -27,6 +28,7 @@ class PrivateWidgetUpdateRequest(BaseModel):
     name: Union[str, None] = None
     description: Union[str, None] = None
     widget_type: Union[str, None] = None
+    size: Union[str, None] = None
     options: Union[dict, None] = None
     data_table_id: Union[str, None] = None
     tags: Union[dict, None] = None
diff --git a/src/spaceone/dashboard/model/private_widget/response.py b/src/spaceone/dashboard/model/private_widget/response.py
index 324be9a..6f19096 100644
--- a/src/spaceone/dashboard/model/private_widget/response.py
+++ b/src/spaceone/dashboard/model/private_widget/response.py
@@ -11,6 +11,7 @@ class PrivateWidgetResponse(BaseModel):
     name: Union[str, None] = None
     description: Union[str, None] = None
     widget_type: Union[str, None] = None
+    size: Union[str, None] = None
     options: Union[dict, None] = None
     tags: Union[dict, None] = None
     data_table_id: Union[str, None] = None
diff --git a/src/spaceone/dashboard/model/public_widget/database.py b/src/spaceone/dashboard/model/public_widget/database.py
index a0ccc2a..453c561 100644
--- a/src/spaceone/dashboard/model/public_widget/database.py
+++ b/src/spaceone/dashboard/model/public_widget/database.py
@@ -8,6 +8,7 @@ class PublicWidget(MongoModel):
     name = StringField(max_length=100)
     description = StringField(default=None)
     widget_type = StringField(max_length=40, default="NONE")
+    size = StringField(default=None, null=True)
     options = DictField(default=None, null=True)
     tags = DictField(default=None)
     data_table_id = StringField(max_length=40, default=None, null=True)
@@ -26,6 +27,7 @@ class PublicWidget(MongoModel):
             "name",
             "description",
             "widget_type",
+            "size",
             "options",
             "tags",
             "data_table_id",
diff --git a/src/spaceone/dashboard/model/public_widget/request.py b/src/spaceone/dashboard/model/public_widget/request.py
index 42b62dc..8c5f48a 100644
--- a/src/spaceone/dashboard/model/public_widget/request.py
+++ b/src/spaceone/dashboard/model/public_widget/request.py
@@ -16,6 +16,7 @@ class PublicWidgetCreateRequest(BaseModel):
     name: Union[str, None] = None
     description: Union[str, None] = None
     widget_type: Union[str, None] = None
+    size: Union[str, None] = None
     options: Union[dict, None] = None
     tags: Union[dict, None] = None
     workspace_id: Union[str, None] = None
@@ -28,6 +29,7 @@ class PublicWidgetUpdateRequest(BaseModel):
     name: Union[str, None] = None
     description: Union[str, None] = None
     widget_type: Union[str, None] = None
+    size: Union[str, None] = None
     options: Union[dict, None] = None
     data_table_id: Union[str, None] = None
     tags: Union[dict, None] = None
diff --git a/src/spaceone/dashboard/model/public_widget/response.py b/src/spaceone/dashboard/model/public_widget/response.py
index bb6b296..2805e11 100644
--- a/src/spaceone/dashboard/model/public_widget/response.py
+++ b/src/spaceone/dashboard/model/public_widget/response.py
@@ -13,6 +13,7 @@ class PublicWidgetResponse(BaseModel):
     name: Union[str, None] = None
     description: Union[str, None] = None
     widget_type: Union[str, None] = None
+    size: Union[str, None] = None
     options: Union[dict, None] = None
     tags: Union[dict, None] = None
     data_table_id: Union[str, None] = None
diff --git a/src/spaceone/dashboard/service/private_widget_service.py b/src/spaceone/dashboard/service/private_widget_service.py
index 48bfdb5..6dbe208 100644
--- a/src/spaceone/dashboard/service/private_widget_service.py
+++ b/src/spaceone/dashboard/service/private_widget_service.py
@@ -47,6 +47,7 @@ def create(
                 'name': 'str',
                 'description': 'str',
                 'widget_type': 'str',
+                'size': 'str',
                 'options': 'dict',
                 'tags': 'dict',
                 'user_id': 'str',               # injected from auth (required)
@@ -87,6 +88,7 @@ def update(
                 'name': 'str',
                 'description': 'str',
                 'widget_type': 'str',
+                'size': 'str',
                 'options': 'dict',
                 'data_table_id': 'str',
                 'tags': 'dict',
diff --git a/src/spaceone/dashboard/service/public_widget_service.py b/src/spaceone/dashboard/service/public_widget_service.py
index f1c2193..263ebe8 100644
--- a/src/spaceone/dashboard/service/public_widget_service.py
+++ b/src/spaceone/dashboard/service/public_widget_service.py
@@ -46,6 +46,7 @@ def create(
                 'name': 'str',
                 'description': 'str',
                 'widget_type': 'str',
+                'size': 'str',
                 'options': 'dict',
                 'tags': 'dict',
                 'workspace_id': 'str',          # injected from auth
@@ -88,6 +89,7 @@ def update(
                 'name': 'str',
                 'description': 'str',
                 'widget_type': 'str',
+                'size': 'str',
                 'options': 'dict',
                 'data_table_id': 'str',
                 'tags': 'dict',