diff --git a/.github/workflows/publish-container.yml b/.github/workflows/publish-container.yml
index 3d5ead9..dd51108 100644
--- a/.github/workflows/publish-container.yml
+++ b/.github/workflows/publish-container.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Install PHP
         uses: shivammathur/setup-php@master
         with:
-          php-version: '8.2'
+          php-version: '8.3'
       - name: Install dependencies
         run: composer install
       - name: Run tests
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index ee7f990..bafec72 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-version: ['8.2', '8.1', '8.0']
+        php-version: ['8.3', '8.2', '8.1', '8.0']
     steps:
     - uses: actions/checkout@v4
     - name: Install PHP
@@ -19,7 +19,7 @@ jobs:
       run: |
         XDEBUG_MODE=coverage ./vendor/bin/phpunit --coverage-clover coverage.xml
     - uses: codecov/codecov-action@v3
-      if: matrix.php-version == '8.2'
+      if: matrix.php-version == '8.3'
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
   phpstan:
diff --git a/Dockerfile b/Dockerfile
index e5737a1..e823b8c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ COPY composer.json /app
 
 RUN composer install --no-dev --optimize-autoloader
 
-FROM php:8.2-alpine
+FROM php:8.3-alpine
 
 COPY . /app