diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 80098e9..05f5df8 100755
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -73,7 +73,7 @@ jobs:
       fail-fast: false
       max-parallel: 3
       matrix:
-        php-versions: ['8.0']
+        php-versions: ['8.1']
     steps:
     - name: Checkout Repository
       uses: actions/checkout@main
@@ -135,7 +135,7 @@ jobs:
       fail-fast: false
       max-parallel: 3
       matrix:
-        php-versions: ['8.0']
+        php-versions: ['8.1']
     steps:
     - name: Checkout Repository
       uses: actions/checkout@main
@@ -184,7 +184,7 @@ jobs:
       fail-fast: false
       max-parallel: 3
       matrix:
-        php-versions: ['8.0']
+        php-versions: ['8.1']
     steps:
     - name: Checkout Repository
       uses: actions/checkout@main
@@ -240,7 +240,7 @@ jobs:
         submodules: recursive
         token: ${{ secrets.GH_PAT }}
     - name: Lint Code Base
-      uses: github/super-linter@v4
+      uses: github/super-linter/slim@v4
       env:
         VALIDATE_ALL_CODEBASE: false
         DEFAULT_BRANCH: develop
diff --git a/Theme/Backend/Components/Editor/BaseView.php b/Theme/Backend/Components/Editor/BaseView.php
index 40f002c..1fedd81 100755
--- a/Theme/Backend/Components/Editor/BaseView.php
+++ b/Theme/Backend/Components/Editor/BaseView.php
@@ -68,7 +68,7 @@ class BaseView extends View
     /**
      * {@inheritdoc}
      */
-    public function render(...$data) : string
+    public function render(mixed ...$data) : string
     {
         $this->id = ($data[0] ?? '') . '-tools';
         return parent::render();
diff --git a/Theme/Backend/Components/Editor/TextView.php b/Theme/Backend/Components/Editor/TextView.php
index 096315c..b0ab437 100755
--- a/Theme/Backend/Components/Editor/TextView.php
+++ b/Theme/Backend/Components/Editor/TextView.php
@@ -200,7 +200,7 @@ class TextView extends View
     /**
      * {@inheritdoc}
      */
-    public function render(...$data) : string
+    public function render(mixed ...$data) : string
     {
         $this->id            = $data[0] ?? '';
         $this->name          = $data[1] ?? '';
diff --git a/composer.json b/composer.json
index ac4e7bd..15e8d01 100755
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         "friendsofphp/php-cs-fixer": ">=3.8",
         "squizlabs/php_codesniffer": ">=3.6",
         "phpmd/phpmd": ">=2.9",
-        "phpstan/phpstan": ">=1.5.4",
+        "phpstan/phpstan": ">=1.8.6",
         "phan/phan": ">=3.2.6"
     },
     "minimum-stability": "dev",