diff --git a/.github/workflows/php81.yml b/.github/workflows/php81.yml
deleted file mode 100644
index 535bd59..0000000
--- a/.github/workflows/php81.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-name: PHP 8.1
-
-on:
-  push:
-    branches: [main]
-  pull_request:
-    branches: [main]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Setup PHP Action
-        uses: shivammathur/setup-php@2.15.0
-        with:
-          php-version: '8.1'
-
-      - name: Validate composer.json and composer.lock
-        run: composer validate
-
-      - name: Install dependencies
-        run: composer install --prefer-dist --no-progress
-
-      - name: Run style check
-        run: composer run style
-
-      - name: Run static analyzer
-        run: composer run stan
-
-      - name: Run tests
-        run: composer run test
diff --git a/composer.json b/composer.json
index f105e66..6238da7 100644
--- a/composer.json
+++ b/composer.json
@@ -12,12 +12,12 @@
     }
   ],
   "require": {
-    "php": "^8.1 || ^8.2",
+    "php": "^8.2",
     "8fold/php-xml-builder": "^2.0",
-    "psr/http-message": "^1.1 || ^2.0",
+    "psr/http-message": "^2.0",
     "psr/log": "^3.0",
     "voku/portable-ascii": "^2.0",
-    "symfony/finder": "^6.0 || ^7.0"
+    "symfony/finder": "^7.0"
   },
   "require-dev": {
     "phpstan/phpstan": "^1.10",
diff --git a/composer.lock b/composer.lock
index a067aec..988b9ce 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": "78cda4cc0207486ed1522d18a22ada0f",
+    "content-hash": "ff7378640684da8b3ca33188a315fb73",
     "packages": [
         {
             "name": "8fold/php-xml-builder",
@@ -2271,7 +2271,7 @@
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.1 || ^8.2"
+        "php": "^8.2"
     },
     "platform-dev": [],
     "plugin-api-version": "2.3.0"