diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af74ab1e..bc6ae81a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,6 +14,7 @@ jobs:
         node-version:
           - 18
           - 20
+          - 21
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4