diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 8ad1cc7..56b2b7b 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -83,7 +83,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: [ '8.0', '8.1', '8.2', '8.3' ]
+        php-version: [ '8.0', '8.1', '8.2', '8.3', '8.4', '8.5' ]
 
     name: Run tests on PHP v${{ matrix.php-version }}