diff --git a/composer.json b/composer.json
index 4f6012f0e..10e321021 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
     "require": {
         "php": "^8.0",
         "ext-openssl": "*",
-        "league/event": "^2.2",
+        "league/event": "^3.0",
         "league/uri": "^6.7 || ^7.0",
         "lcobucci/jwt": "^4.3 || ^5.0",
         "psr/http-message": "^1.0.1 || ^2.0",
diff --git a/src/AuthorizationServer.php b/src/AuthorizationServer.php
index fbdf99228..9b6629478 100644
--- a/src/AuthorizationServer.php
+++ b/src/AuthorizationServer.php
@@ -14,8 +14,8 @@
 
 use DateInterval;
 use Defuse\Crypto\Key;
-use League\Event\EmitterAwareInterface;
-use League\Event\EmitterAwareTrait;
+use League\OAuth2\Server\EventEmitting\EmitterAwareInterface;
+use League\OAuth2\Server\EventEmitting\EmitterAwarePolyfill;
 use League\OAuth2\Server\Exception\OAuthServerException;
 use League\OAuth2\Server\Grant\GrantTypeInterface;
 use League\OAuth2\Server\Repositories\AccessTokenRepositoryInterface;
@@ -30,7 +30,7 @@
 
 class AuthorizationServer implements EmitterAwareInterface
 {
-    use EmitterAwareTrait;
+    use EmitterAwarePolyfill;
 
     /**
      * @var GrantTypeInterface[]
diff --git a/src/EventEmitting/AbstractEvent.php b/src/EventEmitting/AbstractEvent.php
new file mode 100644
index 000000000..80c229aaa
--- /dev/null
+++ b/src/EventEmitting/AbstractEvent.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace League\OAuth2\Server\EventEmitting;
+
+use League\Event\HasEventName;
+use Psr\EventDispatcher\StoppableEventInterface;
+
+class AbstractEvent implements StoppableEventInterface, HasEventName
+{
+    private bool $propagationStopped = false;
+
+    public function __construct(private string $name)
+    {
+    }
+
+    public function eventName(): string
+    {
+        return $this->name;
+    }
+
+    /**
+     * Backwards compatibility method
+     *
+     * @deprecated use eventName instead
+     */
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function isPropagationStopped(): bool
+    {
+        return $this->propagationStopped;
+    }
+
+    public function stopPropagation(): self
+    {
+        $this->propagationStopped = true;
+
+        return $this;
+    }
+}
diff --git a/src/EventEmitting/EmitterAwareInterface.php b/src/EventEmitting/EmitterAwareInterface.php
new file mode 100644
index 000000000..206428a1e
--- /dev/null
+++ b/src/EventEmitting/EmitterAwareInterface.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace League\OAuth2\Server\EventEmitting;
+
+interface EmitterAwareInterface
+{
+    public function getEmitter(): EventEmitter;
+
+    public function setEmitter(EventEmitter $emitter): self;
+}
diff --git a/src/EventEmitting/EmitterAwarePolyfill.php b/src/EventEmitting/EmitterAwarePolyfill.php
new file mode 100644
index 000000000..473f49cee
--- /dev/null
+++ b/src/EventEmitting/EmitterAwarePolyfill.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace League\OAuth2\Server\EventEmitting;
+
+use League\Event\ListenerRegistry;
+use Psr\EventDispatcher\EventDispatcherInterface;
+
+trait EmitterAwarePolyfill
+{
+    private EventEmitter $emitter;
+
+    public function getEmitter(): EventEmitter
+    {
+        return $this->emitter ?? new EventEmitter();
+    }
+
+    public function setEmitter(EventEmitter $emitter): self
+    {
+        $this->emitter = $emitter;
+
+        return $this;
+    }
+
+    public function getEventDispatcher(): EventDispatcherInterface
+    {
+        return $this->getEmitter();
+    }
+
+    public function getListenerRegistry(): ListenerRegistry
+    {
+        return $this->getEmitter();
+    }
+}
diff --git a/src/EventEmitting/EventEmitter.php b/src/EventEmitting/EventEmitter.php
new file mode 100644
index 000000000..25c15c5ba
--- /dev/null
+++ b/src/EventEmitting/EventEmitter.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace League\OAuth2\Server\EventEmitting;
+
+use League\Event\EventDispatcher;
+use League\Event\ListenerPriority;
+
+final class EventEmitter extends EventDispatcher
+{
+    public function addListener(string $event, callable $listener, int $priority = ListenerPriority::NORMAL): self
+    {
+        $this->subscribeTo($event, $listener, $priority);
+
+        return $this;
+    }
+
+    public function emit(object $event): object
+    {
+        return $this->dispatch($event);
+    }
+}
diff --git a/src/Grant/AbstractGrant.php b/src/Grant/AbstractGrant.php
index 060bbbcea..340586f44 100644
--- a/src/Grant/AbstractGrant.php
+++ b/src/Grant/AbstractGrant.php
@@ -19,7 +19,6 @@
 use DomainException;
 use Error;
 use Exception;
-use League\Event\EmitterAwareTrait;
 use League\OAuth2\Server\CryptKeyInterface;
 use League\OAuth2\Server\CryptTrait;
 use League\OAuth2\Server\Entities\AccessTokenEntityInterface;
@@ -27,6 +26,7 @@
 use League\OAuth2\Server\Entities\ClientEntityInterface;
 use League\OAuth2\Server\Entities\RefreshTokenEntityInterface;
 use League\OAuth2\Server\Entities\ScopeEntityInterface;
+use League\OAuth2\Server\EventEmitting\EmitterAwarePolyfill;
 use League\OAuth2\Server\Exception\OAuthServerException;
 use League\OAuth2\Server\Exception\UniqueTokenIdentifierConstraintViolationException;
 use League\OAuth2\Server\RedirectUriValidators\RedirectUriValidator;
@@ -60,7 +60,7 @@
  */
 abstract class AbstractGrant implements GrantTypeInterface
 {
-    use EmitterAwareTrait;
+    use EmitterAwarePolyfill;
     use CryptTrait;
 
     protected const SCOPE_DELIMITER_STRING = ' ';
diff --git a/src/Grant/GrantTypeInterface.php b/src/Grant/GrantTypeInterface.php
index a2fda3734..3f08565a6 100644
--- a/src/Grant/GrantTypeInterface.php
+++ b/src/Grant/GrantTypeInterface.php
@@ -16,8 +16,8 @@
 
 use DateInterval;
 use Defuse\Crypto\Key;
-use League\Event\EmitterAwareInterface;
 use League\OAuth2\Server\CryptKeyInterface;
+use League\OAuth2\Server\EventEmitting\EmitterAwareInterface;
 use League\OAuth2\Server\Repositories\AccessTokenRepositoryInterface;
 use League\OAuth2\Server\Repositories\ClientRepositoryInterface;
 use League\OAuth2\Server\Repositories\ScopeRepositoryInterface;
diff --git a/src/RequestEvent.php b/src/RequestEvent.php
index b0ae00767..2a1fb0915 100644
--- a/src/RequestEvent.php
+++ b/src/RequestEvent.php
@@ -12,10 +12,10 @@
 
 namespace League\OAuth2\Server;
 
-use League\Event\Event;
+use League\OAuth2\Server\EventEmitting\AbstractEvent;
 use Psr\Http\Message\ServerRequestInterface;
 
-class RequestEvent extends Event
+class RequestEvent extends AbstractEvent
 {
     public const CLIENT_AUTHENTICATION_FAILED = 'client.authentication.failed';
     public const USER_AUTHENTICATION_FAILED = 'user.authentication.failed';
diff --git a/tests/Stubs/GrantType.php b/tests/Stubs/GrantType.php
index bd2f95f77..d81c0c271 100644
--- a/tests/Stubs/GrantType.php
+++ b/tests/Stubs/GrantType.php
@@ -6,8 +6,8 @@
 
 use DateInterval;
 use Defuse\Crypto\Key;
-use League\Event\EmitterInterface;
 use League\OAuth2\Server\CryptKeyInterface;
+use League\OAuth2\Server\EventEmitting\EventEmitter;
 use League\OAuth2\Server\Grant\GrantTypeInterface;
 use League\OAuth2\Server\Repositories\AccessTokenRepositoryInterface;
 use League\OAuth2\Server\Repositories\ClientRepositoryInterface;
@@ -20,16 +20,16 @@
 
 final class GrantType implements GrantTypeInterface
 {
-    private ?EmitterInterface $emitter;
+    private EventEmitter $emitter;
 
-    public function setEmitter(EmitterInterface $emitter = null): self
+    public function setEmitter(EventEmitter $emitter = null): self
     {
         $this->emitter = $emitter;
 
         return $this;
     }
 
-    public function getEmitter(): ?EmitterInterface
+    public function getEmitter(): EventEmitter
     {
         return $this->emitter;
     }