diff --git a/package.json b/package.json
index 242c00c..fe770fb 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
 		"jasmine": "^4.5.0",
 		"jasmine-reporters": "^2.5.2",
 		"jasmine-spec-reporter": "^7.0.0",
-		"jsdom": "^16.2.1",
+		"jsdom": "^21.1.1",
 		"kcd-scripts": "^12.3.0",
 		"nyc": "^15.1.0",
 		"onchange": "^7.1.0",