diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index f049c89..755e4b4 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: [ '8.3', '8.4' ]
+        php-version: [ '8.3', '8.4', '8.5' ]
 
     name: Run tests on PHP v${{ matrix.php-version }}