diff --git a/package.json b/package.json
index 2f7bc8f..40b1fb9 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "ejs": "^2.5.7",
-    "jsdom": "^11.3.0",
+    "jsdom": "^25.0.0",
     "probot": "^6.0.0",
     "probot-attachments": "github:probot/attachments",
     "unfurl.js": "^1.1.6"