diff --git a/composer.json b/composer.json
index 34a4325..c2bda57 100644
--- a/composer.json
+++ b/composer.json
@@ -6,9 +6,10 @@
     "minimum-stability": "stable",
     "require": {
         "php": "^7.1",
+        "roave/security-advisories": "dev-master",
         "yiisoft/yii2": "2.0.12",
-        "yiisoft/yii2-swiftmailer": "*",
-        "ramsey/uuid": "^3.5.0",
+        "yiisoft/yii2-swiftmailer": "~2.1.0",
+        "ramsey/uuid": "^3.5",
         "league/oauth2-server": "^4.1",
         "yiisoft/yii2-redis": "~2.0.0",
         "guzzlehttp/guzzle": "^6.0.0",
@@ -21,7 +22,6 @@
         "mito/yii2-sentry": "^1.0",
         "spomky-labs/otphp": "^9.0.2",
         "bacon/bacon-qr-code": "^1.0",
-        "roave/security-advisories": "dev-master",
         "paragonie/constant_time_encoding": "^2.0",
         "webmozart/assert": "^1.2.0"
     },
@@ -30,12 +30,12 @@
         "yiisoft/yii2-debug": "*",
         "yiisoft/yii2-faker": "*",
         "flow/jsonpath": "^0.3.1",
-        "phpunit/phpunit": "^5.7",
-        "codeception/codeception": "2.3.4",
+        "phpunit/phpunit": "^6.0",
+        "codeception/codeception": "2.3.6",
         "codeception/specify": "*",
         "codeception/verify": "*",
         "phploc/phploc": "^3.0.1",
-        "mockery/mockery": "dev-master#89db0caa22276c470e4add719f3d181a78dec827",
+        "mockery/mockery": "dev-master#87fc5f641657833f7c96f14ed3067effe94a0824",
         "php-mock/php-mock-mockery": "dev-mockery-1.0.0#03956ed4b34ae25bc20a0677500f4f4b416f976c"
     },
     "repositories": [