diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index da18122..03269c2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,10 +12,10 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php-version: [ '8.1', '8.3', '8.4' ]
+                php-version: [ 8.4, 8.5 ]
                 dependency-version: [ prefer-stable ]
                 include:
-                    - { php-version: 8.1, dependency-version: prefer-lowest }
+                    - { php-version: 8.4, dependency-version: prefer-lowest }
 
         name: PHP ${{ matrix.php-version }} - ${{ matrix.dependency-version }}