Changes in composer.json

* Allow use SSP module Perun in version v4.x
* Remove version field

CHANGELOG.md

@@ -2,6 +2,8 @@
  All notable changes to this project will be documented in this file.
  
 ## [Unreleased]
+#### Changed
+- Allow use SSP module Perun in version v4.x
 
 ## [v2.1.0]
 #### Added

composer.json

 {
     "name": "elixir/simplesamlphp-module-elixir",
     "description": "A SimpleSAMLphp module providing template for DiscoPower and user-facing parts of the SSP for ELIXIR",
-    "version": "2.2.0-dev",
     "type": "simplesamlphp-module",
     "keywords": ["ELIXIR", "elixir", "simplesamlphp"],
     "license": "BSD-2-Clause",
@@ -18,7 +17,7 @@
     "require": {
         "simplesamlphp/composer-module-installer": "~1.0",
         "simplesamlphp/simplesamlphp": "~1.17",
-        "cesnet/simplesamlphp-module-perun": "~3.0",
+        "cesnet/simplesamlphp-module-perun": "~4.0",
         "ext-json": "*",
         "ext-curl": "*"
     }