diff --git a/package.json b/package.json
index 4630f1a..9956683 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "bn.js": "^5.0.0",
     "browserify-aes": "^1.2.0",
     "bs58": "^4.0.1",
-    "err-code": "^1.1.2",
+    "err-code": "^2.0.0",
     "iso-random-stream": "^1.1.0",
     "keypair": "^1.0.1",
     "libp2p-crypto-secp256k1": "~0.4.0",