diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2543def27..1fc087179 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
         timeout-minutes: 15
         strategy:
             matrix:
-                php: [ '8.3', '8.2', '8.1', '8.0' ]
+                php: [ '8.4', '8.3', '8.2', '8.1', '8.0' ]
                 dependency-version: [ '' ]
                 platform-reqs: [ '' ]
                 include:
@@ -53,7 +53,7 @@ jobs:
             -   name: Setup PHP
                 uses: shivammathur/setup-php@v2
                 with:
-                    php-version: '8.2'
+                    php-version: '8.3'
                     tools: composer:v2, cs2pr
                     coverage: none
             -   name: Cache Composer dependencies
@@ -76,7 +76,7 @@ jobs:
             -   name: Setup PHP
                 uses: shivammathur/setup-php@v2
                 with:
-                    php-version: '8.2'
+                    php-version: '8.3'
                     tools: composer:v2, cs2pr
                     coverage: none
             -   name: Cache Composer dependencies
diff --git a/.github/workflows/update-layer-versions.yml b/.github/workflows/update-layer-versions.yml
index b384efee4..eb5ebadcc 100644
--- a/.github/workflows/update-layer-versions.yml
+++ b/.github/workflows/update-layer-versions.yml
@@ -38,7 +38,7 @@ jobs:
             -   name: Setup PHP
                 uses: shivammathur/setup-php@v2
                 with:
-                    php-version: '8.2'
+                    php-version: '8.3'
                     tools: composer
 
             -   name: Install Composer dependencies