diff --git a/package.json b/package.json
index 846852a..5a38ed5 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "@astrojs/markdown-remark": "^1.1.3",
     "@astrojs/mdx": "^0.13.0",
-    "jsdom": "^20.0.3",
+    "jsdom": "^21.1.0",
     "luxon": "^3.1.1",
     "reset-css": "^5.0.1",
     "sheng": "^1.0.0"