diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0cf8f9712..6f1e0e6da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node-version: [18.x, 20.x]
+        node-version: [18.x, 20.x, 21.x]
     steps:
       - uses: actions/checkout@v4