diff --git a/CHANGELOG.md b/CHANGELOG.md
index db1aac2..958aaa2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [5.1.0]
+### Changed
+- Export TypeScript interfaces ([#140](https://github.com/MetaMask/eth-simple-keyring/pull/140))
+- Update all dependencies ([#140](https://github.com/MetaMask/eth-simple-keyring/pull/140)) ([#149](https://github.com/MetaMask/eth-simple-keyring/pull/149))
+
+### Fixed
+- Add `validateMessage` option to `signMessage` to configure if runtime-validation should be done that input string is hex (default: `true`) ([#148](https://github.com/MetaMask/eth-simple-keyring/pull/148))
+
 ## [5.0.0]
 ### Changed
 - **BREAKING:** Makes version-specific `signTypedData` methods private ([#84](https://github.com/MetaMask/eth-simple-keyring/pull/84))
@@ -21,5 +29,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - **BREAKING:** Remove redundant `newGethSignMessage` method ([#72](https://github.com/MetaMask/eth-simple-keyring/pull/72))
     - Consumers can use `signPersonalMessage` method as a replacement for `newGethSignMessage`.
 
-[Unreleased]: https://github.com/MetaMask/eth-simple-keyring/compare/v5.0.0...HEAD
+[Unreleased]: https://github.com/MetaMask/eth-simple-keyring/compare/v5.1.0...HEAD
+[5.1.0]: https://github.com/MetaMask/eth-simple-keyring/compare/v5.0.0...v5.1.0
 [5.0.0]: https://github.com/MetaMask/eth-simple-keyring/releases/tag/v5.0.0
diff --git a/package.json b/package.json
index a117622..16a127b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@metamask/eth-simple-keyring",
-  "version": "5.0.0",
+  "version": "5.1.0",
   "description": "A simple standard interface for a series of Ethereum private keys.",
   "keywords": [
     "ethereum",