Tweak the allowance of PHPUnit version.

skyzyx · skyzyx · commit 56d71d3324d4 · 2018-02-12T11:14:05.000-08:00
diff --git a/composer.json b/composer.json
@@ -3,8 +3,8 @@
     "description": "A custom printer for PHPUnit.",
     "type": "library",
     "require": {
-        "php": ">=5.5",
-        "phpunit/phpunit": "^5.5 || ^6.0 || ^7.0"
+        "php": ">=7.0",
+        "phpunit/phpunit": "^6.0 || ^7.0"
     },
     "license": "MIT",
     "authors": [
