diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 7f9f48a..e90352b 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: ['7.3', '7.4', '8.0', '8.1', '8.2', '8.3']
+        php-version: ['7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
         dependencies: ['']
         include:
           - { php-version: '7.3', dependencies: '--prefer-lowest --prefer-stable' }
@@ -123,7 +123,7 @@ jobs:
         - name: Setup PHP
           uses: shivammathur/setup-php@v2
           with:
-            php-version: '8.1'
+            php-version: '8.3'
             extensions: mbstring, intl
 
         - name: Install dependencies