diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index f8cdef2..ede908e 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -8,8 +8,8 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['7.2', '7.3', '7.4', '8.0']
-   
+        php-versions: ['7.4', '8.0']
+
     steps:
       - uses: actions/checkout@v2
 
@@ -22,7 +22,7 @@ jobs:
         id: composer-cache
         run: |
           echo "::set-output name=dir::$(composer config cache-files-dir)"
-          
+
       - uses: actions/cache@v2
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
diff --git a/composer.json b/composer.json
index 6acf44c..89dcc4f 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "jamesh/laravel-uuid",
-    "description": "Eloquent UUID Trait for Laravel 5.7 and above.",
+    "description": "Eloquent UUID Trait for Laravel 6 and above.",
     "type": "plugin",
     "license": "MIT",
     "authors": [
@@ -11,13 +11,13 @@
     ],
     "minimum-stability": "stable",
     "require": {
-        "php" : "^7.2|^8.0",
-        "illuminate/support": "^5.7|^6|^7|^8",
-        "illuminate/database": "^5.7|^6|^7|^8"
+        "php" : "^7.4|^8.0",
+        "illuminate/support": "^6|^7|^8",
+        "illuminate/database": "^6|^7|^8"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0|^8.0",
-        "orchestra/testbench": "^3.7|^4|^5|^6"
+        "phpunit/phpunit": "^9.1",
+        "orchestra/testbench": "^4|^5|^6"
     },
     "autoload": {
         "psr-4": {
@@ -30,6 +30,9 @@
         }
     },
     "scripts": {
-        "test": "vendor/bin/phpunit"
+        "test": "vendor/bin/phpunit",
+        "post-autoload-dump": [
+            "@php ./vendor/bin/testbench package:discover --ansi"
+        ]
     }
 }
diff --git a/tests/HasUuidTest.php b/tests/HasUuidTest.php
index bea9309..798e39c 100644
--- a/tests/HasUuidTest.php
+++ b/tests/HasUuidTest.php
@@ -15,10 +15,10 @@ class HasUuidTest extends TestCase
     public function test_create()
     {
         $post = Post::create(['title' => 'My awesome post']);
-        $this->assertRegExp(self::UUID_REGEX, $post->id);
+        $this->assertMatchesRegularExpression(self::UUID_REGEX, $post->id);
 
         $found = Post::first();
-        $this->assertRegExp(self::UUID_REGEX, $found->id);
+        $this->assertMatchesRegularExpression(self::UUID_REGEX, $found->id);
     }
 
     public function test_find()
@@ -117,7 +117,7 @@ public function test_save_new_with_empty_id()
 
         $this->assertNotEmpty($found->id);
         $this->assertNotNull($found->id);
-        $this->assertRegExp(self::UUID_REGEX, $found->id);
+        $this->assertMatchesRegularExpression(self::UUID_REGEX, $found->id);
     }
 
     public function test_create_with_empty_id()
@@ -132,7 +132,7 @@ public function test_create_with_empty_id()
 
             $this->assertNotEmpty($found->id);
             $this->assertNotNull($found->id);
-            $this->assertRegExp(self::UUID_REGEX, $found->id);
+            $this->assertMatchesRegularExpression(self::UUID_REGEX, $found->id);
         });
     }
 }