Updated PHPUnit version [ci-skip]

Swader · Swader · commit 404bf41815a3 · 2015-10-25T07:42:40.000Z
diff --git a/composer.json b/composer.json
@@ -19,8 +19,8 @@
         "guzzlehttp/guzzle": "~5.0"
     },
     "require-dev": {
-        "phpunit/phpunit" : "~4",
-        "symfony/var-dumper": "~2"
+        "symfony/var-dumper": "~2",
+        "phpunit/phpunit": "^5.0"
     },
     "autoload": {
         "psr-4": {
