diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..7ab11b1
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,7 @@
+/.gitignore export-ignore
+/.gitattributes export-ignore
+/phpunit.xml export-ignore
+/workenv export-ignore
+/tests export-ignore
+/.github export-ignore
+/phpcs.php
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 62f3254..c8e68cd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,6 +20,7 @@ jobs:
           - 7.4
           - 8.0
           - 8.1
+          - 8.2
     steps:
       - uses: actions/checkout@v2
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27a5750..7ba94da 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,12 @@ php-html-form
 - *Dep*: Deprecated.
 - *Fix*: Fixed.
 
+2.0.2 [2022-12-12]
+------------------
+
+- Add: Support of PHP 8.2.
+- Enh: Reduce size of package.
+
 2.0.1 [2022-01-30]
 ------------------
 
diff --git a/README.md b/README.md
index fa61937..5118b81 100644
--- a/README.md
+++ b/README.md
@@ -359,6 +359,22 @@ $ XDEBUG_MODE=coverage ./vendor/bin/phpunit
 
 HTML coverage path: `build/coverage/index.html`
 
+Code style
+---
+
+To fix code style, run:
+
+```
+~/.composer/vendor/bin/php-cs-fixer fix --config=./phpcs.php --verbose
+```
+
+You have to install [PHP CS Fixer](https://github.com/PHP-CS-Fixer/PHP-CS-Fixer) at first, if you
+don't use build-in Docker image:
+
+```
+composer global require friendsofphp/php-cs-fixer "^3.13.0"
+```
+
 License
 ---
 
diff --git a/composer.json b/composer.json
index a8f89b5..a884327 100644
--- a/composer.json
+++ b/composer.json
@@ -26,8 +26,5 @@
   },
   "autoload-dev": {
     "classmap": ["tests/"]
-  },
-  "scripts": {
-    "cs:fix": "~/.composer/vendor/bin/php-cs-fixer fix --config=./phpcs.php --verbose"
   }
 }
diff --git a/phpcs.php b/phpcs.php
index 4076086..e5bd648 100644
--- a/phpcs.php
+++ b/phpcs.php
@@ -1,5 +1,10 @@
 <?php declare(strict_types=1);
 
+/**
+ * Configuration of code style fixer and checker for this library.
+ * This configuration compatible with friendsofphp/php-cs-fixer "^3.13.0".
+ */
+
 use PhpCsFixer\Finder;
 use PhpCsFixer\Config;
 
diff --git a/workenv/Dockerfile b/workenv/Dockerfile
index 9f107c4..5e60317 100644
--- a/workenv/Dockerfile
+++ b/workenv/Dockerfile
@@ -1,6 +1,6 @@
-FROM php:8.1-cli-alpine
+FROM php:8.2-cli-alpine
 
-RUN apk add --no-cache $PHPIZE_DEPS
+RUN apk add --no-cache $PHPIZE_DEPS && apk add --update --no-cache linux-headers
 
 RUN pecl install xdebug && docker-php-ext-enable xdebug
 RUN rm -f /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
@@ -13,6 +13,6 @@ RUN if [ ${GITHUB_OAUTH_TOKEN} != false ]; then \
 ;fi
 RUN export COMPOSER_DISABLE_XDEBUG_WARN=1
 
-RUN composer global require friendsofphp/php-cs-fixer "^3.5.0"
+RUN composer global require friendsofphp/php-cs-fixer "^3.13.0"
 
 CMD ["php", "-a"]