diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 0d3630c0..bc1d5106 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -9,7 +9,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-20.04]
-        php: [7.4, 8.0, 8.1, 8.2]
+        php: [7.4, 8.0, 8.1, 8.2, 8.3, 8.4]
 
     name: League - PHP ${{ matrix.php }} on ${{ matrix.os }}