diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d5998b..ec10eed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.1.0]
+### Added
+- Allow prerelease versions in release headers ([#130](https://github.com/MetaMask/auto-changelog/pull/130))
+
 ## [3.0.0]
 ### Added
 - Support alternate tag prefixes ([#120](https://github.com/MetaMask/auto-changelog/pull/120))
@@ -90,7 +94,8 @@ Includes the following features:
   - Monorepo support ([#41](https://github.com/MetaMask/auto-changelog/pull/41))
   - Configurable repository URL, version, and changelog file path ([#33](https://github.com/MetaMask/auto-changelog/pull/33), [#31](https://github.com/MetaMask/auto-changelog/pull/31), [#30](https://github.com/MetaMask/auto-changelog/pull/30))
 
-[Unreleased]: https://github.com/MetaMask/auto-changelog/compare/v3.0.0...HEAD
+[Unreleased]: https://github.com/MetaMask/auto-changelog/compare/v3.1.0...HEAD
+[3.1.0]: https://github.com/MetaMask/auto-changelog/compare/v3.0.0...v3.1.0
 [3.0.0]: https://github.com/MetaMask/auto-changelog/compare/v2.6.1...v3.0.0
 [2.6.1]: https://github.com/MetaMask/auto-changelog/compare/v2.6.0...v2.6.1
 [2.6.0]: https://github.com/MetaMask/auto-changelog/compare/v2.5.0...v2.6.0
diff --git a/package.json b/package.json
index 37e5ec3..3bc0352 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@metamask/auto-changelog",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "Utilities for validating and updating \"Keep a Changelog\" formatted changelogs",
   "publishConfig": {
     "registry": "https://registry.npmjs.org/",