diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 869ad04..a916a34 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -8,7 +8,7 @@ jobs:
   composer-normalize:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
 
@@ -16,7 +16,7 @@ jobs:
         with:
           coverage: none
           extensions: mbstring
-          php-version: 8.1
+          php-version: 8.2
 
       - run: composer install --no-interaction --no-progress --no-suggest
 
@@ -29,7 +29,7 @@ jobs:
   prettier:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
 
@@ -44,7 +44,7 @@ jobs:
   php-cs-fixer:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
 
@@ -52,7 +52,7 @@ jobs:
         with:
           coverage: none
           extensions: mbstring
-          php-version: 8.1
+          php-version: 8.2
 
       - run: composer install --no-interaction --no-progress --no-suggest
 
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index ada93cb..3e366d1 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -1,4 +1,5 @@
-name: "Validate"
+name: Validate
+
 on:
   pull_request:
   push:
@@ -20,6 +21,7 @@ jobs:
         laravel-version:
           - "^9"
           - "^10"
+          - "^11"
         composer:
           - name: lowest
             arg: "--prefer-lowest --prefer-stable"
@@ -28,9 +30,13 @@ jobs:
         exclude:
           - php-version: "8.0"
             laravel-version: "^10"
+          - php-version: "8.0"
+            laravel-version: "^11"
+          - php-version: "8.1"
+            laravel-version: "^11"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: shivammathur/setup-php@v2
         with:
@@ -38,12 +44,6 @@ jobs:
           extensions: ${{ env.REQUIRED_PHP_EXTENSIONS }}
           php-version: ${{ matrix.php-version }}
 
-      - name: "Cache composer dependencies"
-        uses: actions/cache@v3
-        with:
-          path: ~/.composer/cache
-          key: php-${{ matrix.php-version }}-composer-${{ matrix.laravel-version }}-os-${{ matrix.os }}-composer-${{ matrix.composer.name }}
-
       - run: >
           composer require
           illuminate/contracts:${{ matrix.laravel-version }}
diff --git a/composer.json b/composer.json
index 0a6c9a8..c69a843 100644
--- a/composer.json
+++ b/composer.json
@@ -15,16 +15,15 @@
   ],
   "require": {
     "php": "^8",
-    "illuminate/console": "^9 || ^10",
-    "illuminate/contracts": "^9 || ^10",
-    "illuminate/support": "^9 || ^10"
+    "illuminate/console": "^9 || ^10 || ^11",
+    "illuminate/contracts": "^9 || ^10 || ^11",
+    "illuminate/support": "^9 || ^10 || ^11"
   },
   "require-dev": {
     "ergebnis/composer-normalize": "^2.29",
-    "laravel/lumen-framework": "^9 || ^10",
+    "larastan/larastan": "^2.5.2",
     "mll-lab/php-cs-fixer-config": "^5",
-    "nunomaduro/larastan": "^2.5.2",
-    "orchestra/testbench": "^7.7 || ^8.8",
+    "orchestra/testbench": "^7.7 || ^8.8 || ^9",
     "phpstan/extension-installer": "^1",
     "phpstan/phpstan": "^1.10.15",
     "phpstan/phpstan-mockery": "^1.1.1",
diff --git a/phpstan.neon b/phpstan.neon
index dd8cab4..b6706d8 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -8,3 +8,7 @@ parameters:
   # Install https://plugins.jetbrains.com/plugin/7677-awesome-console to make those links clickable
   editorUrl: '%%relFile%%:%%line%%'
   editorUrlTitle: '%%relFile%%:%%line%%'
+  ignoreErrors:
+  # Lumen does not support Laravel 11
+  - '#Laravel\\Lumen#'
+