diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7447f2ef..9f4736be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 
+## [12.1.0] - 2024-01-09
+
 -   fix detection of android kotlin source directories in AGP >= 7 [#733](https://github.com/JLLeitschuh/ktlint-gradle/pull/733)
 
 ## [12.0.3] - 2023-12-11
@@ -716,7 +718,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 -   Renamed task with name `ktlint` to `ktlintCheck` (#3)
 -   Renamed tasks with names `ktlint[source set name]` to `ktlint[source set name]Check` (#3)
 
-[Unreleased]: https://github.com/JLLeitschuh/ktlint-gradle/compare/v12.0.3...HEAD
+[Unreleased]: https://github.com/JLLeitschuh/ktlint-gradle/compare/v12.1.0...HEAD
+
+[12.1.0]: https://github.com/JLLeitschuh/ktlint-gradle/compare/v12.0.3...v12.1.0
 
 [12.0.3]: https://github.com/JLLeitschuh/ktlint-gradle/compare/v12.0.2...v12.0.3
 
diff --git a/README.md b/README.md
index a2361d22..e45cc6ae 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 **Provides a convenient wrapper plugin over the [ktlint](https://github.com/pinterest/ktlint) project.**
 
 <!-- Note: if changing the line below, the `sed` command in the perform-release.yaml needs to be updated too -->
-Latest plugin version: [12.0.3](/CHANGELOG.md#---20231211)
+Latest plugin version: [12.1.0](/CHANGELOG.md#---20240109)
 
 [![Join the chat at https://kotlinlang.slack.com](https://img.shields.io/badge/slack-@kotlinlang/ktlint-yellow.svg?logo=slack)](https://kotlinlang.slack.com/messages/CKS3XG0LS)
 [![Build and Check](https://github.com/JLLeitschuh/ktlint-gradle/actions/workflows/build-and-check.yml/badge.svg)](https://github.com/JLLeitschuh/ktlint-gradle/actions/workflows/build-and-check.yml)
diff --git a/plugin/VERSION_CURRENT.txt b/plugin/VERSION_CURRENT.txt
index 470ce40f..77903b35 100644
--- a/plugin/VERSION_CURRENT.txt
+++ b/plugin/VERSION_CURRENT.txt
@@ -1 +1 @@
-12.0.3
+12.1.0