diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index a9563b2..fa99573 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: [ '7.1', '7.2', '7.3', '7.4' ]
+        php-versions: [ '7.2', '7.3', '7.4' ]
     name: PHP ${{ matrix.php-versions }} - PHPUnit
     steps:
       - name: Checkout
diff --git a/composer.json b/composer.json
index 4639e2a..acb83f6 100644
--- a/composer.json
+++ b/composer.json
@@ -11,16 +11,16 @@
         }
     ],
     "require": {
-        "php": ">=7.0",
-        "illuminate/database": "^5.4 || ^6.0",
-        "illuminate/support": "^5.4 || ^6.0",
-        "illuminate/validation": "^5.4 || ^6.0",
+        "php": ">=7.2.5",
+        "illuminate/database": "^6.0 || ^7.0 || ^8.0",
+        "illuminate/support": "^6.0 || ^7.0 || ^8.0",
+        "illuminate/validation": "^6.0 || ^7.0 || ^8.0",
         "saritasa/php-common": "^1.0",
-        "propaganistas/laravel-phone": "^3.0 || ^4.0 || ^5.0"
+        "propaganistas/laravel-phone": "^4.0 || ^5.0"
     },
     "require-dev": {
-        "mockery/mockery": "^0.9",
-        "phpunit/phpunit": "^6.0",
+        "mockery/mockery": "^1.3",
+        "phpunit/phpunit": "^8.5",
         "squizlabs/php_codesniffer": "^3.0"
     },
     "autoload": {
diff --git a/phpunit.xml b/phpunit.xml
index 33629dc..27c60b8 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -7,7 +7,6 @@
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false"
-         syntaxCheck="false"
          bootstrap="vendor/autoload.php"
 >
   <testsuites>
diff --git a/tests/CustomRulesTest.php b/tests/CustomRulesTest.php
index 722f672..e412688 100644
--- a/tests/CustomRulesTest.php
+++ b/tests/CustomRulesTest.php
@@ -12,7 +12,7 @@ class CustomRulesTest extends TestCase
     /**
      * Reset mocked configuration after each test
      */
-    protected function tearDown()
+    protected function tearDown(): void
     {
         Config::clearResolvedInstances();
     }
diff --git a/tests/DatabaseRulesTest.php b/tests/DatabaseRulesTest.php
index fb19ebe..9d84958 100644
--- a/tests/DatabaseRulesTest.php
+++ b/tests/DatabaseRulesTest.php
@@ -17,7 +17,7 @@ class DatabaseRulesTest extends TestCase
     /**
      * Reset mocked configuration after each test
      */
-    protected function tearDown()
+    protected function tearDown(): void
     {
         Config::clearResolvedInstances();
     }