diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77a28e3..95b3438 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: [ '8.1', '8.2', '8.3' ]
+        php-versions: [ '8.1', '8.2', '8.3', '8.4' ]
     steps:
     - uses: actions/checkout@v5