diff --git a/package.json b/package.json
index 554459f..cb476bb 100644
--- a/package.json
+++ b/package.json
@@ -43,15 +43,15 @@
     "is-typedarray": "^1.0.0",
     "iso-random-stream": "^1.1.0",
     "keypair": "^1.0.1",
-    "multibase": "^3.0.0",
-    "multicodec": "^2.0.0",
+    "multibase": "^4.0.3",
+    "multicodec": "^3.0.1",
     "multihashes": "^4.0.2",
     "multihashing-async": "^2.0.1",
     "node-forge": "^0.10.0",
     "pem-jwk": "^2.0.0",
     "protons": "^2.0.0",
     "secp256k1": "^4.0.0",
-    "uint8arrays": "^1.1.0",
+    "uint8arrays": "^2.1.4",
     "ursa-optional": "^0.10.1"
   },
   "devDependencies": {