diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e47f3a0..3256ad0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,6 +39,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
         deps:
           - "highest"
         include: