diff --git a/.gitignore b/.gitignore
index 9be8bda..9787040 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /composer.lock
 /vendor
 /build
-/.phpunit.result.cache
\ No newline at end of file
+/.phpunit.result.cache
+tags
diff --git a/composer.json b/composer.json
index 6713515..b8b4b61 100644
--- a/composer.json
+++ b/composer.json
@@ -19,10 +19,10 @@
     "require": {
         "php": ">=7.2",
         "thecodingmachine/graphqlite": "^4",
-        "illuminate/console": "^5.7|^6.0|^7",
-        "illuminate/container": "^5.7|^6.0|^7",
-        "illuminate/support": "^5.7|^6.0|^7",
-        "illuminate/cache": "^5.7|^6.0|^7",
+        "illuminate/console": "^5.7|^6.0|^7|^8",
+        "illuminate/container": "^5.7|^6.0|^7|^8",
+        "illuminate/support": "^5.7|^6.0|^7|^8",
+        "illuminate/cache": "^5.7|^6.0|^7|^8",
         "symfony/psr-http-message-bridge": "^1.3.0 || ^2",
         "laminas/laminas-diactoros": "^2.2.2",
         "symfony/cache": "^4.3 || ^5"
diff --git a/tests/Providers/GraphQLiteServiceProviderTest.php b/tests/Providers/GraphQLiteServiceProviderTest.php
index dfca626..72d53d7 100644
--- a/tests/Providers/GraphQLiteServiceProviderTest.php
+++ b/tests/Providers/GraphQLiteServiceProviderTest.php
@@ -39,7 +39,7 @@ public function testAuthentication()
     public function testPagination()
     {
         $response = $this->json('POST', '/graphql', ['query' => <<<GQL
-{ 
+{
     testPaginator {
         items
         firstItem
@@ -127,7 +127,7 @@ public function testValidatorMultiple()
             ]
         ]);
 
-        $this->assertContains('The foo must start with one of the following: 192', $response->json('errors')[0]['message']);
+        $this->assertStringContainsString('The foo must start with one of the following: 192', $response->json('errors')[0]['message']);
 
         $this->assertSame(400, $response->getStatusCode(), $response->getContent());
         $response = $this->json('POST', '/graphql', ['query' => '{ testValidatorMultiple(foo:"192.168.1") }']);
@@ -157,7 +157,7 @@ public function testValidatorMultiple()
                 ]
             ]
         ]);
-        $this->assertContains('The foo must start with one of the following: 192', $response->json('errors')[0]['message']);
+        $this->assertStringContainsString('The foo must start with one of the following: 192', $response->json('errors')[0]['message']);
 
         $this->assertSame(400, $response->getStatusCode(), $response->getContent());