diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d47f25..c1c1969 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [6.3.1]
+
+### Changed
+
+- Bump `@metamask/utils` from `^8.3.0` to `^9.0.0` ([#147](https://github.com/MetaMask/rpc-errors/pull/147))
+
 ## [6.3.0]
 
 ### Added
@@ -189,7 +195,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `serializeError`
   - If the object passed to the function has a `.message` property, it will preferred over the `.message` property of the fallback error when creating the returned serialized error object
 
-[Unreleased]: https://github.com/MetaMask/rpc-errors/compare/v6.3.0...HEAD
+[Unreleased]: https://github.com/MetaMask/rpc-errors/compare/v6.3.1...HEAD
+[6.3.1]: https://github.com/MetaMask/rpc-errors/compare/v6.3.0...v6.3.1
 [6.3.0]: https://github.com/MetaMask/rpc-errors/compare/v6.2.1...v6.3.0
 [6.2.1]: https://github.com/MetaMask/rpc-errors/compare/v6.2.0...v6.2.1
 [6.2.0]: https://github.com/MetaMask/rpc-errors/compare/v6.1.0...v6.2.0
diff --git a/package.json b/package.json
index af74e16..0acee28 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@metamask/rpc-errors",
-  "version": "6.3.0",
+  "version": "6.3.1",
   "description": "Ethereum RPC and Provider errors",
   "keywords": [
     "rpc",