diff --git a/package.json b/package.json
index dad2275..f217ba2 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "@eslint-community/eslint-plugin-mysticatea": "^15.5.1",
     "@rollup/plugin-node-resolve": "^14.1.0",
     "@types/eslint": "^8.44.3",
-    "@types/jsdom": "^16.2.15",
+    "@types/jsdom": "^21.1.5",
     "@types/mocha": "^9.1.1",
     "@types/node": "^12.20.55",
     "dts-bundle": "^0.7.3",