diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2d9ec7b..67fc091 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['8.1', '8.2', '8.3']
+        php-versions: ['8.1', '8.2', '8.3', '8.4']
     runs-on: ${{ matrix.operating-system }}
     steps:
       - uses: actions/checkout@v4