diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c047d59..7c2707e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,6 +21,7 @@ jobs:
         php-version:
           - "8.2"
           - "8.3"
+          - "8.4"
         dependencies:
           - "highest"
         include: