diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0bb3e45..d3e8cb3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ 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]
+## [2.4.0] - 2021-04-20
 ### Added
 - Added allotted_assignment_time field to Projects that is used as
   the default allotted_assignment_time for new Batches created
diff --git a/turkle/__init__.py b/turkle/__init__.py
index 7613ce8..698abdb 100644
--- a/turkle/__init__.py
+++ b/turkle/__init__.py
@@ -1,2 +1,2 @@
 default_app_config = 'turkle.apps.TurkleAppConfig'
-__version__ = '2.4.0-dev'
+__version__ = '2.4.0'