diff --git a/CHANGELOG.md b/CHANGELOG.md
index c51bc8c..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))
@@ -14,12 +22,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
     - Consumers should not use this property as it is intended for internal use only.
 - **BREAKING:** Makes `getPrivateKeyFor` a private method ([#83](https://github.com/MetaMask/eth-simple-keyring/pull/83))
     - Consumers who wish to get the private key for a given account should use the `exportAccount` method.
-- **BREAKING:** Set the minimum Node.js version to 12 ([#68](https://github.com/MetaMask/eth-simple-keyring/pull/68))
+- **BREAKING:** Set the minimum Node.js version to 14 ([#68](https://github.com/MetaMask/eth-simple-keyring/pull/68)) ([#109](https://github.com/MetaMask/eth-simple-keyring/pull/109))
 - Always return rejected Promise upon failure ([#85](https://github.com/MetaMask/eth-simple-keyring/pull/85))
 
 ### Removed
 - **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`. 
+    - 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 f3dcad8..de0f110 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@metamask/eth-simple-keyring",
-  "version": "5.0.0",
-  "description": "A simple standard interface for a series of Ethereum private keys.",
+  "version": "5.1.0",
+  "description": "A simple standard interface for a series of Ethereum private keys",
   "keywords": [
     "ethereum",
     "keyring"