diff --git a/composer.json b/composer.json
index 8aed55f..a304679 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "pod-point/laravel-aws-pubsub",
-    "description": "A Laravel broadcasting driver and queue driver that broadcasts and listens to events published to AWS SNS and SQS.",
+    "description": "A Laravel broadcasting driver and queue driver that broadcasts and listens to published events utilising AWS SNS, EventBridge and SQS.",
     "keywords": ["laravel", "broadcasting", "broadcast", "queue", "listeners", "pubsub", "aws", "sns", "sqs"],
     "homepage": "https://github.com/pod-point/laravel-aws-pubsub",
     "license": "MIT",
diff --git a/src/EventServiceProvider.php b/src/EventServiceProvider.php
index d2afe14..273ff63 100644
--- a/src/EventServiceProvider.php
+++ b/src/EventServiceProvider.php
@@ -125,7 +125,7 @@ public static function prepareConfigurationCredentials(array $config): array
     private static function configHasCredentials(array $config): bool
     {
         return Arr::has($config, ['key', 'secret'])
-            && is_string(Arr::get($config, 'key'))
-            && is_string(Arr::get($config, 'secret'));
+            && Arr::get($config, 'key')
+            && Arr::get($config, 'secret');
     }
 }
diff --git a/tests/EventServiceProviderTest.php b/tests/EventServiceProviderTest.php
new file mode 100644
index 0000000..3b12c72
--- /dev/null
+++ b/tests/EventServiceProviderTest.php
@@ -0,0 +1,130 @@
+<?php
+
+namespace PodPoint\AwsPubSub\Tests;
+
+use PodPoint\AwsPubSub\EventServiceProvider;
+
+class EventServiceProviderTest extends TestCase
+{
+    /** @test */
+    public function it_can_prepare_configuration_credentials()
+    {
+        $config = EventServiceProvider::prepareConfigurationCredentials([
+            'foo' => 'bar',
+            'key' => 'some_key',
+            'secret' => 'some_secret',
+        ]);
+
+        $this->assertEquals([
+            'foo' => 'bar',
+            'key' => 'some_key',
+            'secret' => 'some_secret',
+            'credentials' => [
+                'key' => 'some_key',
+                'secret' => 'some_secret',
+            ],
+        ], $config);
+    }
+
+    /** @test */
+    public function it_can_prepare_configuration_credentials_with_a_token()
+    {
+        $config = EventServiceProvider::prepareConfigurationCredentials([
+            'foo' => 'bar',
+            'key' => 'some_key',
+            'secret' => 'some_secret',
+            'token' => 'some_token',
+        ]);
+
+        $this->assertEquals([
+            'foo' => 'bar',
+            'key' => 'some_key',
+            'secret' => 'some_secret',
+            'token' => 'some_token',
+            'credentials' => [
+                'key' => 'some_key',
+                'secret' => 'some_secret',
+                'token' => 'some_token',
+            ],
+        ], $config);
+    }
+
+    /** @test */
+    public function it_can_make_sure_some_aws_credentials_are_provided_before_preparing_the_credentials()
+    {
+        $config = EventServiceProvider::prepareConfigurationCredentials([
+            'foo' => 'bar',
+            'token' => 'some_token',
+        ]);
+
+        $this->assertArrayNotHasKey('credentials', $config);
+    }
+
+    public function invalidCredentialsDataProvider()
+    {
+        return [
+            'key_is_empty' => [
+                'creds' => [
+                    'key' => '',
+                    'secret' => 'some_secret',
+                ],
+            ],
+            'secret_is_empty' => [
+                'creds' => [
+                    'key' => 'some_key',
+                    'secret' => '',
+                ],
+            ],
+            'key_and_secret_are_empty' => [
+                'creds' => [
+                    'key' => '',
+                    'secret' => '',
+                ],
+            ],
+            'key_is_null' => [
+                'creds' => [
+                    'key' => null,
+                    'secret' => 'some_secret',
+                ],
+            ],
+            'secret_is_null' => [
+                'creds' => [
+                    'key' => 'some_key',
+                    'secret' => null,
+                ],
+            ],
+            'key_and_secret_are_null' => [
+                'creds' => [
+                    'key' => null,
+                    'secret' => null,
+                ],
+            ],
+            'key_is_empty_and_secret_is_null' => [
+                'creds' => [
+                    'key' => '',
+                    'secret' => null,
+                ],
+            ],
+            'key_is_null_and_secret_is_empty' => [
+                'creds' => [
+                    'key' => null,
+                    'secret' => '',
+                ],
+            ],
+        ];
+    }
+
+    /**
+     * @test
+     * @dataProvider invalidCredentialsDataProvider
+     */
+    public function it_can_make_sure_some_aws_credentials_are_provided_and_valid(array $invalidCredentials)
+    {
+        $config = EventServiceProvider::prepareConfigurationCredentials(array_merge([
+            'foo' => 'bar',
+        ], $invalidCredentials));
+
+        $this->assertArrayHasKey('foo', $config);
+        $this->assertArrayNotHasKey('credentials', $config);
+    }
+}