diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8dfa707..edb987a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         php-version:
+          - "8.4"
           - "8.3"
           - "8.2"
           - "8.1"