diff --git a/package.json b/package.json
index 22e6660..2ade117 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "cids": "~0.8.0",
     "detect-node": "^2.0.4",
     "dirty-chai": "^2.0.1",
-    "memdown": "^4.0.0",
+    "memdown": "^5.1.0",
     "rimraf": "^2.6.2"
   },
   "contributors": [