diff --git a/packages/ersatz/package.json b/packages/ersatz/package.json
index c1f9b05..ba16007 100644
--- a/packages/ersatz/package.json
+++ b/packages/ersatz/package.json
@@ -39,7 +39,7 @@
     "@formidable-webview/skeletton": "workspace:*",
     "assert": "^2.0.0",
     "canvas": "^2.6.1",
-    "jsdom": "^16.4.0",
+    "jsdom": "^16.5.0",
     "node-fetch": "3.0.0-beta.9"
   },
   "peerDependencies": {