diff --git a/.github/workflows/analyzers.yaml b/.github/workflows/analyzers.yaml
index d32db0f..2088d66 100644
--- a/.github/workflows/analyzers.yaml
+++ b/.github/workflows/analyzers.yaml
@@ -12,7 +12,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2']
+                php-versions: ['8.1', '8.2', '8.3']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
@@ -25,6 +25,6 @@ jobs:
                   tools: 'composer:v2'
                   extensions: pcov, mbstring, posix, xdebug, dom, libxml, xml, xsl, xmlreader, xmlwriter
             - name: Install dependencies
-              run: composer update --prefer-dist --no-progress --no-suggest ${{ matrix.composer-options }}
+              run: composer update --ignore-platform-req=php --prefer-dist --no-progress --no-suggest ${{ matrix.composer-options }}
             - name: Run the tests
               run: composer run psalm
diff --git a/.github/workflows/autoloader.yaml b/.github/workflows/autoloader.yaml
index baf74b5..cb69366 100644
--- a/.github/workflows/autoloader.yaml
+++ b/.github/workflows/autoloader.yaml
@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2']
+                php-versions: ['8.1', '8.2', '8.3']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
@@ -20,7 +20,7 @@ jobs:
                   tools: 'composer:v2'
                   extensions: pcov, mbstring, posix
             - name: Install dependencies
-              run: composer update --prefer-dist --no-progress --no-suggest ${{ matrix.composer-options }}
+              run: composer update --ignore-platform-req=php --prefer-dist --no-progress --no-suggest ${{ matrix.composer-options }}
             - name: Parse autoloader
               run: composer run autoload
             - name: Check if the autloader is up to date
diff --git a/.github/workflows/code-style.yaml b/.github/workflows/code-style.yaml
index ed80b34..af69743 100644
--- a/.github/workflows/code-style.yaml
+++ b/.github/workflows/code-style.yaml
@@ -1,13 +1,17 @@
 name: CodeStyle
 
 on: [push, pull_request]
+
+env:
+  PHP_CS_FIXER_IGNORE_ENV: 1
+
 jobs:
     run:
         runs-on: ${{ matrix.operating-system }}
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2']
+                php-versions: ['8.1', '8.2', '8.3']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
@@ -20,6 +24,6 @@ jobs:
                   tools: 'composer:v2'
                   extensions: pcov, mbstring, posix
             - name: Install dependencies
-              run: composer update --prefer-dist --no-progress --no-suggest ${{ matrix.composer-options }}
+              run: composer --ignore-platform-req=php update --prefer-dist --no-progress --no-suggest ${{ matrix.composer-options }}
             - name: Run the tests
               run: composer run cs
diff --git a/.github/workflows/stress.yaml b/.github/workflows/stress.yaml
index 6ce8630..744f9ee 100644
--- a/.github/workflows/stress.yaml
+++ b/.github/workflows/stress.yaml
@@ -7,7 +7,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2']
+                php-versions: ['8.1', '8.2', '8.3']
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
         steps:
@@ -21,6 +21,6 @@ jobs:
                   tools: 'composer:v2'
                   extensions: pcov, mbstring, posix, dom, libxml, xml, xsl, xmlreader, xmlwriter
             - name: Install dependencies
-              run: composer update --prefer-dist --no-progress --no-suggest
+              run: composer update --ignore-platform-req=php --prefer-dist --no-progress --no-suggest
             - name: Run the stress tests
               run: composer run stress
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index af0d0a6..be91503 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -12,7 +12,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ubuntu-latest]
-                php-versions: ['8.1', '8.2']
+                php-versions: ['8.1', '8.2', '8.3']
                 experimental: [false]
             fail-fast: false
         name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
@@ -27,7 +27,7 @@ jobs:
                   ini-values: error_reporting=E_ALL
                   extensions: pcov, mbstring, posix, dom, libxml, xml, xsl, xmlreader, xmlwriter
             - name: Install dependencies
-              run: composer update --prefer-dist --no-progress --no-suggest
+              run: composer update --ignore-platform-req=php --prefer-dist --no-progress --no-suggest
             - name: Run the tests
               run: composer run tests
             - name: Check tests quality
diff --git a/composer.json b/composer.json
index fe20a91..855257f 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
     ],
     "type": "library",
     "require": {
-        "php": "~8.1.0 || ~8.2.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
         "ext-dom": "*",
         "ext-libxml": "*",
         "ext-xml": "*",