diff --git a/CHANGELOG.md b/CHANGELOG.md
index f274fc93..8fc024ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [3.1.0] - 2026-08-13
 
 ### Added
 
@@ -160,7 +160,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - GitHub Actions workflow to test Nextflow installation and downstream usage
 - Documentation and license files
 
-[unreleased]: https://github.com/nf-core/setup-nextflow/compare/v3.0.1...HEAD
+[unreleased]: https://github.com/nf-core/setup-nextflow/compare/v3.1.0...HEAD
+[3.1.0]: https://github.com/nf-core/setup-nextflow/compare/v3.0.1...v3.1.0
 [3.0.1]: https://github.com/nf-core/setup-nextflow/compare/v3.0.0...v3.0.1
 [3.0.0]: https://github.com/nf-core/setup-nextflow/compare/v2.1.1...v3.0.0
 [2.1.1]: https://github.com/nf-core/setup-nextflow/compare/v2.1.0...v2.1.1
diff --git a/package-lock.json b/package-lock.json
index 54f91836..0bef2f35 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "install-nextflow-action",
-  "version": "3.0.1",
+  "version": "3.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "install-nextflow-action",
-      "version": "3.0.1",
+      "version": "3.1.0",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^3.0.0",
diff --git a/package.json b/package.json
index 37567322..29322e55 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "install-nextflow-action",
-  "version": "3.0.1",
+  "version": "3.1.0",
   "description": "An action to install Nextflow into a GitHub Actions workflow and make it available for subsequent steps.",
   "type": "module",
   "main": "lib/src/main.js",