diff --git a/.github/workflows/php-cs-fixer.yml b/.github/workflows/php-cs-fixer.yml
index 0d2dd7d..80273d1 100644
--- a/.github/workflows/php-cs-fixer.yml
+++ b/.github/workflows/php-cs-fixer.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.2
+          php-version: 8.3
           coverage: xdebug
           tools: php-cs-fixer, cs2pr
       - run: php-cs-fixer fix . --dry-run --rules=@PER-CS --format=checkstyle | cs2pr
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 3024dff..bc7d0d0 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [8.1, 8.2]
+        php: [8.1, 8.2, 8.3]
         extension: [":bcmath", ":gmp"]
 
     name: PHP ${{ matrix.php }}