diff --git a/.gitignore b/.gitignore
index 4fbb073..94640f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /vendor/
 /composer.lock
+.idea/
\ No newline at end of file
diff --git a/Event/CASAuthenticationFailureEvent.php b/Event/CASAuthenticationFailureEvent.php
index 7d40b6b..76b626a 100644
--- a/Event/CASAuthenticationFailureEvent.php
+++ b/Event/CASAuthenticationFailureEvent.php
@@ -5,8 +5,7 @@
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Security\Core\Exception\AuthenticationException;
-use Symfony\Component\EventDispatcher\Event;
-
+use Symfony\Contracts\EventDispatcher\Event;
 
 class CASAuthenticationFailureEvent extends Event {
 
diff --git a/Security/CasAuthenticator.php b/Security/CasAuthenticator.php
index 2734d96..c3c3aca 100644
--- a/Security/CasAuthenticator.php
+++ b/Security/CasAuthenticator.php
@@ -137,7 +137,7 @@ public function onAuthenticationFailure(Request $request, AuthenticationExceptio
         $def_response = new JsonResponse($data, 403);
 
         $event = new CASAuthenticationFailureEvent($request,$exception, $def_response);
-        $this->eventDispatcher->dispatch(CASAuthenticationFailureEvent::POST_MESSAGE, $event);
+        $this->eventDispatcher->dispatch($event);
 
         return $event->getResponse();
     }
diff --git a/composer.json b/composer.json
index bc5af62..a531ac2 100644
--- a/composer.json
+++ b/composer.json
@@ -1,8 +1,8 @@
 {
-  "name": "prayno/casauth-bundle",
+  "name": "edditor/casauth-bundle",
   "type": "symfony-bundle",
-  "description": "Basic CAS (SSO) authenticator for Symfony 3, 4 and 5",
-  "keywords": ["PRayno", "CAS", "SSO", "Symfony 3", "Guard", "Symfony 4", "Symfony 5"],
+  "description": "Basic CAS (SSO) authenticator for Symfony 4 and 5",
+  "keywords": ["PRayno", "CAS", "SSO", "Guard", "Symfony 4", "Symfony 5"],
   "license": "MIT",
   "authors": [
     {
@@ -11,12 +11,12 @@
     }
   ],
   "require": {
-    "symfony/config": "^3.0|^4.0|^5.0",
-    "symfony/dependency-injection": "^3.0|^4.0|^5.0",
-    "symfony/http-foundation": "^3.0|^4.0|^5.0",
-    "symfony/http-kernel": "^3.0|^4.0|^5.0",
-    "symfony/security-bundle": "^3.0|^4.0|^5.0",
-    "guzzlehttp/guzzle": "^6.2"
+    "symfony/config": "^4.0|^5.0",
+    "symfony/dependency-injection": "^4.0|^5.0",
+    "symfony/http-foundation": "^4.0|^5.0",
+    "symfony/http-kernel": "^4.0|^5.0",
+    "symfony/security-bundle": "^4.0|^5.0",
+    "guzzlehttp/guzzle": "^6.2|^7"
   },
   "autoload": {
     "psr-0": { "PRayno\\CasAuthBundle": "" }