diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 9e5effc..a2e5531 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         # os: [ubuntu-latest, windows-latest]
         os: [ubuntu-latest]
-        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]
 
     name: PHP ${{ matrix.php }} / ${{ matrix.os }}