diff --git a/.ddev/config.yaml b/.ddev/config.yaml
index d7600a00..2c64a949 100644
--- a/.ddev/config.yaml
+++ b/.ddev/config.yaml
@@ -1,7 +1,7 @@
 name: typo3-ext-warming
 type: typo3
 docroot: .Build/web
-php_version: "8.3"
+php_version: "8.4"
 webserver_type: nginx-fpm
 router_http_port: "80"
 router_https_port: "443"
diff --git a/.github/workflows/cgl.yaml b/.github/workflows/cgl.yaml
index 870c66fe..b192f202 100644
--- a/.github/workflows/cgl.yaml
+++ b/.github/workflows/cgl.yaml
@@ -21,7 +21,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           # @todo Use PHP 8.4 once PHP-CS-Fixer supports PHP 8.4
-          php-version: 8.3
+          php-version: 8.4
           tools: composer:v2, composer-require-checker, composer-unused, cs2pr
           coverage: none
       - name: Setup Node
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 64067ed9..6d888e16 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -61,7 +61,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.1
+          php-version: 8.4
           extensions: intl, mbstring, json, zip, curl
           tools: composer:v2, typo3/tailor, clue/phar-composer