diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index b17577c..e346c81 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-latest']
-        php: ['8.0', '7.4']
+        php: ['8.0']
 
     name: PHP ${{ matrix.php }} - ${{ matrix.os }}
 
diff --git a/composer.json b/composer.json
index 2b44ab1..a74fd3f 100755
--- a/composer.json
+++ b/composer.json
@@ -24,13 +24,13 @@
         }
     ],
     "require": {
-        "php": "^7.2|^8.0",
+        "php": "^8.0",
         "davidlienhard/database": "^1"
     },
     "require-dev": {
         "squizlabs/php_codesniffer": "^3",
         "dancryer/php-docblock-checker": "^1",
-        "phpstan/phpstan": "^0.12.68"
+        "phpstan/phpstan": "^0"
     },
     "autoload": {
         "classmap": [
diff --git a/composer.lock b/composer.lock
index 37e4286..f4879b7 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "089b05679edf107d78f3d65b9e89f3dd",
+    "content-hash": "301fe1054b3f2f3abe5b0f36376090f6",
     "packages": [
         {
             "name": "davidlienhard/database",
@@ -147,6 +147,10 @@
                 "phpci",
                 "testing"
             ],
+            "support": {
+                "issues": "https://github.com/dancryer/php-docblock-checker/issues",
+                "source": "https://github.com/dancryer/php-docblock-checker"
+            },
             "time": "2019-04-26T10:38:36+00:00"
         },
         {
@@ -199,6 +203,10 @@
                 "parser",
                 "php"
             ],
+            "support": {
+                "issues": "https://github.com/nikic/PHP-Parser/issues",
+                "source": "https://github.com/nikic/PHP-Parser/tree/v4.10.2"
+            },
             "time": "2020-09-26T10:30:38+00:00"
         },
         {
@@ -241,6 +249,10 @@
                 "MIT"
             ],
             "description": "PHPStan - PHP Static Analysis Tool",
+            "support": {
+                "issues": "https://github.com/phpstan/phpstan/issues",
+                "source": "https://github.com/phpstan/phpstan/tree/0.12.76"
+            },
             "funding": [
                 {
                     "url": "https://github.com/ondrejmirtes",
@@ -304,6 +316,10 @@
                 "container-interop",
                 "psr"
             ],
+            "support": {
+                "issues": "https://github.com/php-fig/container/issues",
+                "source": "https://github.com/php-fig/container/tree/master"
+            },
             "time": "2017-02-14T16:28:37+00:00"
         },
         {
@@ -355,6 +371,11 @@
                 "phpcs",
                 "standards"
             ],
+            "support": {
+                "issues": "https://github.com/squizlabs/PHP_CodeSniffer/issues",
+                "source": "https://github.com/squizlabs/PHP_CodeSniffer",
+                "wiki": "https://github.com/squizlabs/PHP_CodeSniffer/wiki"
+            },
             "time": "2020-10-23T02:01:07+00:00"
         },
         {
@@ -427,6 +448,9 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/console/tree/v4.4.16"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
@@ -503,6 +527,9 @@
                 "polyfill",
                 "portable"
             ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.20.0"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
@@ -580,6 +607,9 @@
                 "portable",
                 "shim"
             ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.20.0"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
@@ -656,6 +686,9 @@
                 "portable",
                 "shim"
             ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php73/tree/v1.20.0"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
@@ -736,6 +769,9 @@
                 "portable",
                 "shim"
             ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php80/tree/v1.20.0"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
@@ -812,6 +848,9 @@
                 "interoperability",
                 "standards"
             ],
+            "support": {
+                "source": "https://github.com/symfony/service-contracts/tree/master"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
@@ -880,6 +919,9 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/yaml/tree/v4.4.16"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
@@ -903,8 +945,8 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^7.2|^8.0"
+        "php": "^8.0"
     },
     "platform-dev": [],
-    "plugin-api-version": "1.1.0"
+    "plugin-api-version": "2.0.0"
 }