diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..91becc0
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+.gitattributes export-ignore
+.gitignore export-ignore
+.github export-ignore
+phpstan.neon export-ignore
diff --git a/.github/workflows/code-analysis.yaml b/.github/workflows/code-analysis.yaml
new file mode 100644
index 0000000..0f758a8
--- /dev/null
+++ b/.github/workflows/code-analysis.yaml
@@ -0,0 +1,54 @@
+name: Code analysis
+
+on:
+  push:
+  pull_request:
+
+# Cancels all previous workflow runs for the same branch that have not yet completed.
+concurrency:
+  # The concurrency group contains the workflow name and the branch name.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  static-analysis:
+    strategy:
+      fail-fast: false
+      matrix:
+        php:
+          - "7.2"
+          - "7.3"
+          - "7.4"
+          - "8.0"
+          - "8.1"
+          - "8.2"
+          - "8.3"
+    name: PHPStan at PHP ${{ matrix.php }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: none
+
+      - name: Get Composer cache directory
+        id: composer-cache
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('composer.json') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install Composer dependencies
+        run: composer update --no-progress
+
+      - name: Statically analyze code (PHPStan)
+        run: composer run phpstan -- --ansi
diff --git a/.github/workflows/code_analysis.yaml b/.github/workflows/code_analysis.yaml
deleted file mode 100644
index a43e1e2..0000000
--- a/.github/workflows/code_analysis.yaml
+++ /dev/null
@@ -1,62 +0,0 @@
-name: Code Analysis
-
-on:
-  pull_request:
-  push:
-    branches:
-      - master
-
-jobs:
-  code_analysis:
-    strategy:
-      fail-fast: false
-      matrix:
-        actions:
-          - name: PHPStan
-            run: composer phpstan
-
-        php:
-          - name: PHP 7.3
-            version: 7.3
-
-          - name: PHP 7.4
-            version: 7.4
-
-          - name: PHP 8.0
-            version: 8.0
-
-    name: ${{ matrix.actions.name }} on ${{ matrix.php.name }}
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-
-      # see https://github.com/shivammathur/setup-php
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: ${{ matrix.php.version }}
-          coverage: none
-
-
-      # see https://github.com/actions/cache/blob/main/examples.md#php---composer
-      - name: Get Composer Cache Directory
-        id: composer-cache
-        run: |
-          echo "::set-output name=dir::$(composer config cache-files-dir)"
-      - uses: actions/cache@v2
-        with:
-          path: |
-            ${{ steps.composer-cache.outputs.dir }}
-            **/composer.lock
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
-          restore-keys: |
-            ${{ runner.os }}-composer-
-
-
-      - name: Install Composer
-        run: composer install --no-progress
-
-      - run: ${{ matrix.actions.run }}
diff --git a/composer.json b/composer.json
index 1ecd812..f41f89d 100644
--- a/composer.json
+++ b/composer.json
@@ -1,8 +1,8 @@
 {
     "name": "jakubboucek/esc-pos",
     "description": "Native ESC-POS drivers",
-    "type": "library",
     "license": "MIT",
+    "type": "library",
     "authors": [
         {
             "name": "Jakub Bouček",
@@ -11,18 +11,20 @@
     ],
     "require": {
         "php": ">=7.2",
-        "composer-runtime-api": "^2.0",
-        "ext-sockets": "*",
-        "ext-iconv": "*"
+        "ext-iconv": "*",
+        "ext-sockets": "*"
     },
     "require-dev": {
-        "phpstan/phpstan": "^0.12.89"
+        "phpstan/phpstan": "^1.10"
     },
     "autoload": {
         "psr-4": {
             "JakubBoucek\\EscPos\\": "src/"
         }
     },
+    "config": {
+        "sort-packages": true
+    },
     "scripts": {
         "phpstan": "phpstan analyze src -c phpstan.neon --level 6"
     }