diff --git a/package.json b/package.json
index bfd602db7..6153ca94b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@arbitrum/sdk",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "Typescript library client-side interactions with Arbitrum",
   "author": "Offchain Labs, Inc.",
   "license": "Apache-2.0",