diff --git a/src/modules/categories.ts b/src/modules/categories.ts
index 8a42523..f7c3339 100644
--- a/src/modules/categories.ts
+++ b/src/modules/categories.ts
@@ -17,6 +17,7 @@ import type { FieldData } from "./fields";
 export interface ICategory extends Entity, TreeNode, Fields {
     type: EntityType;
     name: string;
+    alias: string | null;
     parent_id: string | null;
 
     published: boolean;
@@ -74,6 +75,7 @@ export class Category implements ICategory {
     @timestamp() readonly created_at!: Date
     readonly id!: string
     name!: string
+    alias!: string | null
     parent_id!: string | null
     type!: EntityType
     @timestamp() readonly updated_at!: Date
@@ -94,6 +96,7 @@ export class Category implements ICategory {
 export type CategorySortFields = 'name' | 'parent_id'
 export interface ListCategoriesQuery extends PaginatedQuery, SortableQuery<CategorySortFields> {
     name?: string
+    alias?: string
     search?: string
     published?: QueryBoolean
     searchable?: QueryBoolean
@@ -122,6 +125,7 @@ export interface CreateCategoryParams extends Partial<Fields> {
 }
 
 export interface UpdateCategoryParams extends Partial<CreateCategoryParams> {
+    alias?: string
     ordering?: 'up' | 'down'
 }
 
diff --git a/src/modules/content.ts b/src/modules/content.ts
index bdc1d7a..2a2c965 100644
--- a/src/modules/content.ts
+++ b/src/modules/content.ts
@@ -22,10 +22,13 @@ export interface IContentItem extends Entity {
   content: string
   ordering: number
   published: boolean
+  alias: string
   category: ICategory
 }
 
-export type UpdateContentItemParams = Partial<CreateContentItemParams> & { ordering?: ReorderCommand }
+export type UpdateContentItemParams = Partial<CreateContentItemParams> &
+    { ordering?: ReorderCommand } &
+    { alias?: string }
 
 export interface CreateContentItemParams {
   title: string
@@ -38,6 +41,7 @@ export type ContentSort = 'title' | 'ordering' | 'created_at' | 'updated_at'
 export interface ListContentsQuery extends PaginatedQuery, SortableQuery<ContentSort> {
   published?: QueryBoolean
   title?: string
+  alias?: string
   category?: string
   search?: string
 }
@@ -95,6 +99,7 @@ export class ContentItem implements IContentItem, Imagable<ContentItem> {
   readonly id!: string;
   ordering!: number;
   published!: boolean;
+  alias!: string;
   title!: string;
   readonly type!: EntityType;
   @timestamp() readonly updated_at!: Date;