diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f6fc959..5abfcb0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        php: ['8.1', '8.2']
+        php: ['8.1', '8.2', '8.3']
         dependency-version: [prefer-lowest, prefer-stable]
 
     name: PHP ${{ matrix.php }} - ${{ matrix.os }} - ${{ matrix.dependency-version }}