diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6ad2561..dda3b8a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,7 +9,7 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                php: [7.2, 7.3, 7.4, 8.0, 8.1, 8.2]
+                php: [7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3]
                 dependency-version: [prefer-lowest, prefer-stable]
 
         name: P${{ matrix.php }} - ${{ matrix.dependency-version }}