Update composer.json

fenric · fenric · commit 280cb19d498e · 2019-02-26T01:32:06.000+03:00
diff --git a/composer.json b/composer.json
@@ -14,7 +14,8 @@
     "require": {
         "php": "^7.1",
         "psr/http-message": "^1.0",
-        "sunrise/http-header": "^1.0"
+        "sunrise/http-header": "^1.0",
+        "sunrise/http-header-collection": "^1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "7.5.6",
