diff --git a/package.json b/package.json
index 8b2ecbe..34be88b 100644
--- a/package.json
+++ b/package.json
@@ -147,7 +147,7 @@
     "@libp2p/interfaces": "^3.2.0",
     "@libp2p/logger": "^2.0.0",
     "@libp2p/utils": "^3.0.2",
-    "@multiformats/mafmt": "^11.0.3",
+    "@multiformats/mafmt": "^12.0.0",
     "@multiformats/multiaddr": "^12.0.0",
     "stream-to-it": "^0.2.2"
   },