diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0eff951..92516da 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,8 +16,10 @@ jobs:
           - 8.0
           - 8.1
           - 8.2
+          - 8.3
+
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -29,10 +31,10 @@ jobs:
 
       - name: Get Composer Cache Directory
         id: composer-cache
-        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache Composer packages
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: php${{ matrix.php }}-composer-${{ hashFiles('**/composer.json') }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc737ca..8a663c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 php-input-filter
 ===
 
+2.0.2 [2023-12-30]
+---
+
+- Added supporting of PHP 8.3.
+
 2.0.1 [2023-01-29]
 ---
 
diff --git a/README.md b/README.md
index b110a8d..8ad0811 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 A simple and powerful input filter for any PHP application. It's alike a form, but not the same. ;)
 
-Supporting PHP from 7.4 up to 8.2.
+Supporting PHP from 7.4 up to 8.x.
 
 ## Installation
 
diff --git a/composer.json b/composer.json
index c7067ee..9e36179 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5.28",
-        "friendsofphp/php-cs-fixer": "^3.13.2"
+        "friendsofphp/php-cs-fixer": "^3.45.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/workenv/50_xdebug.ini b/workenv/50_xdebug.ini
index 40449cd..d800d10 100644
--- a/workenv/50_xdebug.ini
+++ b/workenv/50_xdebug.ini
@@ -1,2 +1,3 @@
 zend_extension=xdebug
 xdebug.mode=debug,develop
+xdebug.log=/home/php-cli/php-xdebug.log
diff --git a/workenv/Dockerfile b/workenv/Dockerfile
index 7c2e7b5..dd5fcab 100644
--- a/workenv/Dockerfile
+++ b/workenv/Dockerfile
@@ -1,4 +1,8 @@
-FROM php:8.2-cli-alpine
+FROM php:8.3-cli-alpine
+
+ARG GITHUB_OAUTH_TOKEN=""
+ARG USER_UID=""
+ARG USER_GID=""
 
 RUN apk add --no-cache $PHPIZE_DEPS && apk add --update linux-headers
 
@@ -6,12 +10,19 @@ RUN pecl install xdebug && docker-php-ext-enable xdebug
 RUN rm -f /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
 COPY 50_xdebug.ini /usr/local/etc/php/conf.d/
 
-RUN curl -sS https://getcomposer.org/installer | php -- --2 --install-dir=/usr/bin --filename=composer
-ARG GITHUB_OAUTH_TOKEN=false
-RUN if [ ${GITHUB_OAUTH_TOKEN} != false ]; then \
-  composer config -g github-oauth.github.com ${GITHUB_OAUTH_TOKEN} \
-;fi
+RUN addgroup -g $USER_GID php-cli \
+    && adduser -u $USER_UID -G php-cli -s /bin/sh -D php-cli
+
+USER php-cli
 
-RUN export COMPOSER_DISABLE_XDEBUG_WARN=1
+ENV PATH="/home/php-cli/.local/bin:/home/php-cli/.composer/vendor/bin:${PATH}"
+
+RUN mkdir -p /home/php-cli/.local/bin && \
+    curl -sS https://getcomposer.org/installer | \
+    /usr/local/bin/php -- --2 --install-dir=/home/php-cli/.local/bin --filename=composer
+
+RUN if [ -n "${GITHUB_OAUTH_TOKEN}" ]; then \
+    composer config -g github-oauth.github.com ${GITHUB_OAUTH_TOKEN} \
+;fi
 
 CMD ["php", "-a"]
diff --git a/workenv/docker-compose.yml b/workenv/docker-compose.yml
index 6531708..223eff6 100644
--- a/workenv/docker-compose.yml
+++ b/workenv/docker-compose.yml
@@ -5,10 +5,20 @@ services:
     build:
       context: workenv
       args:
-        - GITHUB_OAUTH_TOKEN=<YOUR_TOKEN>
+        - "GITHUB_OAUTH_TOKEN=<YOUR_TOKEN>"
+        # For Docker Desktop under macOS doesn't matter what IDs will be specified, because Docker works
+        # through virtualization, and you may comment "USER_UID" and "USER_GID" args.
+        # id -u
+        - "USER_UID=1000"
+        # id -g
+        - "USER_GID=1000"
     working_dir: /app
     tty: true
     volumes:
       - type: bind
         source: ./
         target: /app
+    extra_hosts:
+      # host.docker.internal doesn't necessary if you use Docker Desktop under macOS, because its
+      # specified automatically, and you may comment line below.
+      - "host.docker.internal:host-gateway"