diff --git a/api/controllers/AuthenticationController.php b/api/controllers/AuthenticationController.php
index 4aab302..cd7cf92 100644
--- a/api/controllers/AuthenticationController.php
+++ b/api/controllers/AuthenticationController.php
@@ -3,6 +3,7 @@ namespace api\controllers;
 
 use api\models\ForgotPasswordForm;
 use api\models\LoginForm;
+use api\models\RecoverPasswordForm;
 use common\helpers\StringHelper;
 use Yii;
 use yii\filters\AccessControl;
@@ -13,13 +14,13 @@ class AuthenticationController extends Controller {
     public function behaviors() {
         return ArrayHelper::merge(parent::behaviors(), [
             'authenticator' => [
-                'except' => ['login', 'forgot-password'],
+                'except' => ['login', 'forgot-password', 'recover-password'],
             ],
             'access' => [
                 'class' => AccessControl::class,
                 'rules' => [
                     [
-                        'actions' => ['login', 'forgot-password'],
+                        'actions' => ['login', 'forgot-password', 'recover-password'],
                         'allow' => true,
                         'roles' => ['?'],
                     ],
@@ -32,6 +33,7 @@ class AuthenticationController extends Controller {
         return [
             'login' => ['POST'],
             'forgot-password' => ['POST'],
+            'recover-password' => ['POST'],
         ];
     }
 
@@ -93,4 +95,20 @@ class AuthenticationController extends Controller {
         return $response;
     }
 
+    public function actionRecoverPassword() {
+        $model = new RecoverPasswordForm();
+        $model->load(Yii::$app->request->post());
+        if (($jwt = $model->recoverPassword()) === false) {
+            return [
+                'success' => false,
+                'errors' => $this->normalizeModelErrors($model->getErrors()),
+            ];
+        }
+
+        return [
+            'success' => true,
+            'jwt' => $jwt,
+        ];
+    }
+
 }
diff --git a/api/models/ChangePasswordForm.php b/api/models/ChangePasswordForm.php
index e34a9e5..a71fc78 100644
--- a/api/models/ChangePasswordForm.php
+++ b/api/models/ChangePasswordForm.php
@@ -1,9 +1,9 @@
 <?php
 namespace api\models;
 
-use api\models\base\ApiForm;
 use api\models\base\PasswordProtectedForm;
 use common\models\Account;
+use common\validators\PasswordValidate;
 use Yii;
 use yii\helpers\ArrayHelper;
 
@@ -25,9 +25,8 @@ class ChangePasswordForm extends PasswordProtectedForm {
      */
     public function rules() {
         return ArrayHelper::merge(parent::rules(), [
-            ['newPassword', 'required', 'message' => 'error.newPassword_required'],
-            ['newRePassword', 'required', 'message' => 'error.newRePassword_required'],
-            ['newPassword', 'string', 'min' => 8, 'tooShort' => 'error.password_too_short'],
+            [['newPassword', 'newRePassword'], 'required', 'message' => 'error.{attribute}_required'],
+            ['newPassword', PasswordValidate::class],
             ['newRePassword', 'validatePasswordAndRePasswordMatch'],
             ['logoutAll', 'boolean'],
         ]);
diff --git a/api/models/RecoverPasswordForm.php b/api/models/RecoverPasswordForm.php
new file mode 100644
index 0000000..b607a17
--- /dev/null
+++ b/api/models/RecoverPasswordForm.php
@@ -0,0 +1,71 @@
+<?php
+namespace api\models;
+
+use api\models\base\KeyConfirmationForm;
+use common\models\EmailActivation;
+use common\validators\PasswordValidate;
+use Yii;
+use yii\base\ErrorException;
+
+class RecoverPasswordForm extends KeyConfirmationForm {
+
+    public $newPassword;
+
+    public $newRePassword;
+
+    public function rules() {
+        return array_merge(parent::rules(), [
+            [['newPassword', 'newRePassword'], 'required', 'message' => 'error.{attribute}_required'],
+            ['newPassword', PasswordValidate::class],
+            ['newRePassword', 'validatePasswordAndRePasswordMatch'],
+        ]);
+    }
+
+    public function validatePasswordAndRePasswordMatch($attribute) {
+        if (!$this->hasErrors()) {
+            if ($this->newPassword !== $this->newRePassword) {
+                $this->addError($attribute, 'error.rePassword_does_not_match');
+            }
+        }
+    }
+
+    public function recoverPassword() {
+        if (!$this->validate()) {
+            return false;
+        }
+
+        $confirmModel = $this->getActivationCodeModel();
+        if ($confirmModel->type !== EmailActivation::TYPE_FORGOT_PASSWORD_KEY) {
+            $confirmModel->delete();
+            // TODO: вот где-то здесь нужно ещё попутно сгенерировать соответствующую ошибку
+            return false;
+        }
+
+        $transaction = Yii::$app->db->beginTransaction();
+        try {
+            $account = $confirmModel->account;
+            $account->password = $this->newPassword;
+            if (!$confirmModel->delete()) {
+                throw new ErrorException('Unable remove activation key.');
+            }
+
+            if (!$account->save()) {
+                throw new ErrorException('Unable activate user account.');
+            }
+
+            $transaction->commit();
+        } catch (ErrorException $e) {
+            $transaction->rollBack();
+            if (YII_DEBUG) {
+                throw $e;
+            } else {
+                return false;
+            }
+        }
+
+        // TODO: ещё было бы неплохо уведомить пользователя о том, что его E-mail изменился
+
+        return $account->getJWT();
+    }
+
+}
diff --git a/api/models/RegistrationForm.php b/api/models/RegistrationForm.php
index c762475..751a5da 100644
--- a/api/models/RegistrationForm.php
+++ b/api/models/RegistrationForm.php
@@ -7,6 +7,7 @@ use common\components\UserFriendlyRandomKey;
 use common\models\Account;
 use common\models\confirmations\RegistrationConfirmation;
 use common\models\EmailActivation;
+use common\validators\PasswordValidate;
 use Ramsey\Uuid\Uuid;
 use Yii;
 use yii\base\ErrorException;
@@ -30,7 +31,7 @@ class RegistrationForm extends ApiForm {
 
             ['password', 'required', 'message' => 'error.password_required'],
             ['rePassword', 'required', 'message' => 'error.rePassword_required'],
-            ['password', 'string', 'min' => 8, 'tooShort' => 'error.password_too_short'],
+            ['password', PasswordValidate::class],
             ['rePassword', 'validatePasswordAndRePasswordMatch'],
         ];
     }
diff --git a/common/validators/PasswordValidate.php b/common/validators/PasswordValidate.php
new file mode 100644
index 0000000..24ac883
--- /dev/null
+++ b/common/validators/PasswordValidate.php
@@ -0,0 +1,15 @@
+<?php
+namespace common\validators;
+
+use yii\validators\StringValidator;
+
+/**
+ * Класс должен реализовывать в себе все критерии валидации пароля пользователя
+ */
+class PasswordValidate extends StringValidator {
+
+    public $min = 8;
+
+    public $tooShort = 'error.password_too_short';
+
+}
diff --git a/composer.json b/composer.json
index 22f82e3..00d00d1 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     },
     "minimum-stability": "stable",
     "require": {
-        "php": ">=5.6.0",
+        "php": "~7.0.6",
         "yiisoft/yii2": "~2.0.6",
         "yiisoft/yii2-bootstrap": "*",
         "yiisoft/yii2-swiftmailer": "*",
diff --git a/tests/codeception/api/_pages/AuthenticationRoute.php b/tests/codeception/api/_pages/AuthenticationRoute.php
index ed98d2c..615ec63 100644
--- a/tests/codeception/api/_pages/AuthenticationRoute.php
+++ b/tests/codeception/api/_pages/AuthenticationRoute.php
@@ -23,4 +23,13 @@ class AuthenticationRoute extends BasePage {
         ]);
     }
 
+    public function recoverPassword($key = null, $newPassword = null, $newRePassword = null) {
+        $this->route = ['authentication/recover-password'];
+        $this->actor->sendPOST($this->getUrl(), [
+            'key' => $key,
+            'newPassword' => $newPassword,
+            'newRePassword' => $newRePassword,
+        ]);
+    }
+
 }
diff --git a/tests/codeception/api/functional/RecoverPasswordCest.php b/tests/codeception/api/functional/RecoverPasswordCest.php
new file mode 100644
index 0000000..6060896
--- /dev/null
+++ b/tests/codeception/api/functional/RecoverPasswordCest.php
@@ -0,0 +1,36 @@
+<?php
+namespace codeception\api\functional;
+
+use tests\codeception\api\_pages\AccountsRoute;
+use tests\codeception\api\_pages\AuthenticationRoute;
+use tests\codeception\api\FunctionalTester;
+
+class RecoverPasswordCest {
+
+    public function testDataForFrequencyError(FunctionalTester $I) {
+        $authRoute = new AuthenticationRoute($I);
+
+        $I->wantTo('change my account password, using key from email');
+        $authRoute->recoverPassword('H24HBDCHHAG2HGHGHS', '12345678', '12345678');
+        $I->canSeeResponseContainsJson([
+            'success' => true,
+        ]);
+        $I->canSeeResponseJsonMatchesJsonPath('$.jwt');
+
+        $I->wantTo('ensure, that jwt token is valid');
+        $jwt = $I->grabDataFromResponseByJsonPath('$.jwt')[0];
+        $I->amBearerAuthenticated($jwt);
+        $accountRoute = new AccountsRoute($I);
+        $accountRoute->current();
+        $I->canSeeResponseCodeIs(200);
+        $I->canSeeResponseIsJson();
+        $I->notLoggedIn();
+
+        $I->wantTo('check, that password is really changed');
+        $authRoute->login('Notch', '12345678');
+        $I->canSeeResponseContainsJson([
+            'success' => true,
+        ]);
+    }
+
+}
diff --git a/tests/codeception/api/unit/models/RecoverPasswordFormTest.php b/tests/codeception/api/unit/models/RecoverPasswordFormTest.php
new file mode 100644
index 0000000..1409ad3
--- /dev/null
+++ b/tests/codeception/api/unit/models/RecoverPasswordFormTest.php
@@ -0,0 +1,44 @@
+<?php
+namespace tests\codeception\api\models;
+
+use api\models\RecoverPasswordForm;
+use Codeception\Specify;
+use common\models\Account;
+use common\models\EmailActivation;
+use tests\codeception\api\unit\DbTestCase;
+use tests\codeception\common\fixtures\EmailActivationFixture;
+use Yii;
+
+/**
+ * @property array $emailActivations
+ */
+class RecoverPasswordFormTest extends DbTestCase {
+    use Specify;
+
+    public function fixtures() {
+        return [
+            'emailActivations' => [
+                'class' => EmailActivationFixture::class,
+                'dataFile' => '@tests/codeception/common/fixtures/data/email-activations.php',
+            ],
+        ];
+    }
+
+    public function testRecoverPassword() {
+        $fixture = $this->emailActivations['freshPasswordRecovery'];
+        $this->specify('change user account password by email confirmation key', function() use ($fixture) {
+            $model = new RecoverPasswordForm([
+                'key' => $fixture['key'],
+                'newPassword' => '12345678',
+                'newRePassword' => '12345678',
+            ]);
+            expect($model->recoverPassword())->notEquals(false);
+            $activationExists = EmailActivation::find()->andWhere(['key' => $fixture['key']])->exists();
+            expect($activationExists)->false();
+            /** @var Account $account */
+            $account = Account::findOne($fixture['account_id']);
+            expect($account->validatePassword('12345678'))->true();
+        });
+    }
+
+}