diff --git a/app/Controllers/Http/MeController.ts b/app/Controllers/Http/MeController.ts
index a108857..87ed611 100644
--- a/app/Controllers/Http/MeController.ts
+++ b/app/Controllers/Http/MeController.ts
@@ -4,6 +4,7 @@ import Hash from '@ioc:Adonis/Core/Hash';
 import Logger from '@ioc:Adonis/Core/Logger';
 import ChangePasswordValidator from 'App/Validators/ChangePasswordValidator';
 import Contact from 'App/Models/Contact';
+import UpdateContactsValidator from 'App/Validators/UpdateContactsValidator';
 
 export default class MeController {
   private readonly guard: 'api';
@@ -69,5 +70,25 @@ export default class MeController {
    * Update contacts of authenticated user
    * PATCH /me/contacts
    */
-  // public async updateContacts({ request, response, auth }: HttpContextContract) {}
+  public async updateContacts({ request, response, auth }: HttpContextContract) {
+    const payload = await request.validate(UpdateContactsValidator);
+    const user = await auth.use(this.guard).authenticate();
+    const contacts = await this.contact.findByOrFail('user_id', user.id);
+
+    /**
+     * Update contacts
+     */
+    if (payload.email) contacts.email = payload.email;
+    contacts.phone_number = payload.phone_number ?? null;
+    contacts.vk_id = payload.vk_id ?? null;
+    contacts.twitter_id = payload.twitter_id ?? null;
+    contacts.telegram_id = payload.telegram_id ?? null;
+
+    await contacts.save();
+
+    return response.ok({
+      message: `Contacts has been successfully updated.`,
+      data: contacts,
+    });
+  }
 }
diff --git a/app/Controllers/Http/UsersController.ts b/app/Controllers/Http/UsersController.ts
index c78894c..5f98dfe 100644
--- a/app/Controllers/Http/UsersController.ts
+++ b/app/Controllers/Http/UsersController.ts
@@ -78,7 +78,7 @@ export default class UsersController {
     await request.validate(UpdateUserValidator);
 
     const user = await this.user.findOrFail(params.id);
-    const dataInput: Pick<User, 'first_name' | 'last_name' | 'login' | 'password'> = {
+    const input: Pick<User, 'first_name' | 'last_name' | 'login' | 'password'> = {
       first_name: request.input('first_name'),
       last_name: request.input('last_name'),
       login: request.input('login'),
@@ -86,11 +86,11 @@ export default class UsersController {
     };
 
     /**
-     * Update only provided input roles value.
+     * Update roles
      */
-    Object.keys(dataInput).forEach(k => {
-      if (dataInput[k] !== undefined) {
-        user[k] = dataInput[k];
+    Object.keys(input).forEach(k => {
+      if (input[k] !== undefined) {
+        user[k] = input[k];
       }
     });
 
diff --git a/app/Models/Contact.ts b/app/Models/Contact.ts
index da2afe5..91fe82a 100644
--- a/app/Models/Contact.ts
+++ b/app/Models/Contact.ts
@@ -12,16 +12,16 @@ export default class Contact extends BaseModel {
   public email: string;
 
   @column()
-  public phone_number: string;
+  public phone_number: string | null;
 
   @column()
-  public vk_id: string;
+  public vk_id: string | null;
 
   @column()
-  public twitter_id: string;
+  public twitter_id: string | null;
 
   @column()
-  public telegram_id: string;
+  public telegram_id: string | null;
 
   @column.dateTime({ autoCreate: true, serializeAs: null })
   public createdAt: DateTime;
diff --git a/app/Validators/UpdateContactsValidator.ts b/app/Validators/UpdateContactsValidator.ts
index 771db23..d565e38 100644
--- a/app/Validators/UpdateContactsValidator.ts
+++ b/app/Validators/UpdateContactsValidator.ts
@@ -5,11 +5,16 @@ export default class UpdateContactsValidator {
   constructor(protected ctx: HttpContextContract) {}
 
   public schema = schema.create({
-    email: schema.string.optional({}, [rules.email(), rules.unique({ table: 'contacts', column: 'email' })]),
-    phone_number: schema.string.optional(),
-    vk_id: schema.string.optional(),
-    twitter_id: schema.string.optional(),
-    telegram_id: schema.string.optional(),
+    email: schema.string.optional({}, [rules.email()]),
+    phone_number: schema.string.optional({}, [
+      rules.mobile({
+        locales: ['ru-RU', 'en-US'],
+        strict: true,
+      }),
+    ]),
+    vk_id: schema.string.optional({}, [rules.regex(/^[a-zA-Z0-9_]+$/)]),
+    twitter_id: schema.string.optional({}, [rules.regex(/^[a-zA-Z0-9_]+$/)]),
+    telegram_id: schema.string.optional({}, [rules.regex(/^[a-zA-Z0-9_]+$/)]),
   });
 
   public messages = {};
diff --git a/start/routes.ts b/start/routes.ts
index a643cda..9c7430f 100644
--- a/start/routes.ts
+++ b/start/routes.ts
@@ -47,7 +47,7 @@ Route.group(() => {
     Route.patch('me/password', 'MeController.changePassword')
       .middleware('role:admin,teacher,student')
       .as('changePassword');
-    Route.patch('me/contacts', 'MeController.updateContacts')
+    Route.put('me/contacts', 'MeController.updateContacts')
       .middleware('role:admin,teacher,student')
       .as('updateContacts');
   }).middleware('auth');