it seems done

CHANGELOG.md

@@ -3,6 +3,12 @@
 All notable changes of the CrossbarHttpPublisherBundle are documented in this file using the 
 [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+## [Unreleased]
+### Added
+- Support for PHP 8.
+### Removed
+- Support for PHP 5. Only PHP 7.4 is tested via GH actions
+
 ## [1.0.1] - 2017-01-24
 
 ### Changed
@@ -40,3 +46,5 @@ All notable changes of the CrossbarHttpPublisherBundle are documented in this fi
 ## [0.1] - 2015-10-05
 
 * First, belated tagged release; previously released as dev-master only 
+
+[Unreleased]: https://github.com/facile-it/crossbar-http-publisher-bundle/compare/1.0.1..master

README.md

@@ -18,7 +18,7 @@ This bundle allows to submit PubSub events via HTTP/POST requests to a [Crossbar
 * Skip SSL certificate verification (useful in dev environment)
 
 ## Requirements
-* PHP >=5.6
+* PHP >= 7
 * Guzzle 5 or 6
 * The following Symfony components (or the full-stack framework), version 2.7, 2.8, 3.x or 4.x:
     * symfony/framework-bundle

composer.json

@@ -13,7 +13,7 @@
     "crossbar"
   ],
   "require": {
-    "php": "^5.6|^7.0|^8.0",
+    "php": "^7.0|^8.0",
     "symfony/http-kernel": "^2.7 || ^3.0 || ^4.0",
     "symfony/framework-bundle": "^2.7 || ^3.0 || ^4.0",
     "symfony/dependency-injection": "^2.7 || ^3.0 || ^4.0",