phpunit is only a dev dependency

Keoghan · Keoghan · commit 2478c8d41f74 · 2018-02-13T14:17:44.000Z
diff --git a/composer.json b/composer.json
@@ -2,7 +2,9 @@
     "name": "konsulting/json-diff",
     "description": "",
     "require": {
-        "php": ">=5.6",
+        "php": ">=5.6"
+    },
+    "require-dev": {
         "phpunit/phpunit": "^5.6 || ^6.5 || ^7.0"
     },
     "license": "MIT",
