diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2405b1f..6f4336a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 CHANGELOG
 =========
 
+### master
+
+- Update dependencies
+
 ### [2.5.1](https://github.com/webeweb/smsmode-library/tree/v2.5.1) (2019-08-08)
 
 - Fix log level
diff --git a/composer.json b/composer.json
index 242bac3..c499198 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
         "ext-json": "*",
         "guzzlehttp/guzzle": "^6.0",
         "psr/log": "^1.0",
-        "webeweb/core-library": "^5.0"
+        "webeweb/core-library": "^6.0@dev"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.7|^7.0"
diff --git a/src/Exception/AbstractException.php b/src/Exception/AbstractException.php
index 30bff9c..af5708b 100644
--- a/src/Exception/AbstractException.php
+++ b/src/Exception/AbstractException.php
@@ -12,7 +12,7 @@
 namespace WBW\Library\SMSMode\Exception;
 
 use Exception;
-use WBW\Library\Core\Exception\AbstractCoreException as BaseException;
+use WBW\Library\Core\Exception\AbstractException as BaseException;
 
 /**
  * Abstract exception.
diff --git a/src/Normalizer/RequestNormalizer.php b/src/Normalizer/RequestNormalizer.php
index 1a6f5b2..d1e1988 100644
--- a/src/Normalizer/RequestNormalizer.php
+++ b/src/Normalizer/RequestNormalizer.php
@@ -14,7 +14,7 @@
 use DateTime;
 use InvalidArgumentException;
 use Symfony\Component\Yaml\Yaml;
-use WBW\Library\Core\Argument\ArrayHelper;
+use WBW\Library\Core\Argument\Helper\ArrayHelper;
 use WBW\Library\SMSMode\API\RequestInterface;
 
 /**
diff --git a/src/Normalizer/ResponseNormalizer.php b/src/Normalizer/ResponseNormalizer.php
index 66b1758..623b383 100644
--- a/src/Normalizer/ResponseNormalizer.php
+++ b/src/Normalizer/ResponseNormalizer.php
@@ -12,7 +12,7 @@
 namespace WBW\Library\SMSMode\Normalizer;
 
 use DateTime;
-use WBW\Library\Core\Argument\ArrayHelper;
+use WBW\Library\Core\Argument\Helper\ArrayHelper;
 use WBW\Library\SMSMode\API\ResponseInterface;
 use WBW\Library\SMSMode\Model\AbstractResponse;
 use WBW\Library\SMSMode\Model\DeliveryReport;