diff --git a/composer.json b/composer.json
index da75b2a..671e341 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,8 @@
         "php": ">=5.4.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.4.0",
-        "squizlabs/php_codesniffer" : "~2.0.0",
+        "phpunit/phpunit": "~4.4.2",
+        "squizlabs/php_codesniffer" : "~2.2.0",
         "phpmd/phpmd": "~2.1.3",
         "satooshi/php-coveralls": "dev-master"
     },