diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5ad7ccd..1f86aeb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -37,6 +37,7 @@ jobs:
           - "3.2"
           - "3.3"
           - "3.4"
+          - "4.0"
 
     steps:
       - uses: actions/checkout@v4