diff --git a/package.json b/package.json
index ae792aa..f926de0 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
 		"@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
 		"cross-env": "^10.0.0",
 		"dotenv": "^17.2.0",
-		"jsdom": "^26.0.0",
+		"jsdom": "^27.4.0",
 		"luxon": "^3.5.0",
 		"node-fetch": "^3.3.2",
 		"zod": "^4.0.5",