diff --git a/package.json b/package.json
index 2f7bc8f..5180136 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "jsdom": "^11.3.0",
     "probot": "^6.0.0",
     "probot-attachments": "github:probot/attachments",
-    "unfurl.js": "^1.1.6"
+    "unfurl.js": "^6.0.0"
   },
   "devDependencies": {
     "jest": "^22.4.2",