diff --git a/package.json b/package.json
index 7c1b972..997ac16 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "browserify": "^14.1.0",
     "chai": "^3.5.0",
     "istanbul": "^0.4.5",
-    "memdown": "^1.0.0",
+    "memdown": "^4.0.0",
     "mocha": "^3.2.0",
     "pouchdb": "^6.0.0"
   }