diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b672a8..156538b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [1.23.0] - 2019-11-19
+
+### Added
+- Support for Select field's return format that was introduced in ACF version 5.4.0.
+
+### Fixed
+- A bug in Flexible Content's export function.
+
 ## [1.22.0] - 2019-11-08
 
 ### Added
diff --git a/docs/classes.md b/docs/classes.md
index 4947ce0..112321f 100644
--- a/docs/classes.md
+++ b/docs/classes.md
@@ -980,11 +980,13 @@
 | public | <strong>get_choices()</strong> : <em>array</em><br /><em>Get all choices.</em> |
 | public | <strong>get_disabled()</strong> : <em>boolean</em><br /><em>Get whether field is disabled or not</em> |
 | public | <strong>get_placeholder()</strong> : <em>string</em><br /><em>Get field placeholder text</em> |
+| public | <strong>get_return_format()</strong> : <em>string</em><br /><em>Get return format</em> |
 | public | <strong>no_ajax()</strong> : <em>[\Geniem\ACF\Field](#class-geniemacffield-abstract)\self</em><br /><em>Disable loading values via ajax</em> |
 | public | <strong>no_ui()</strong> : <em>[\Geniem\ACF\Field](#class-geniemacffield-abstract)\self</em><br /><em>Disable custom ui</em> |
 | public | <strong>remove_choice(</strong><em>mixed</em> <strong>$choice</strong>)</strong> : <em>[\Geniem\ACF\Field](#class-geniemacffield-abstract)\self</em><br /><em>Remove a choice.</em> |
 | public | <strong>set_choices(</strong><em>mixed</em> <strong>$choices</strong>)</strong> : <em>[\Geniem\ACF\Field](#class-geniemacffield-abstract)\self</em><br /><em>Set choices for the checkbox</em> |
 | public | <strong>set_placeholder(</strong><em>\string</em> <strong>$placeholder</strong>)</strong> : <em>[\Geniem\ACF\Field](#class-geniemacffield-abstract)\self</em><br /><em>Set field placeholder</em> |
+| public | <strong>set_return_format(</strong><em>\string</em> <strong>$return_format=`'value'`</strong>)</strong> : <em>[\Geniem\ACF\Field](#class-geniemacffield-abstract)\self</em><br /><em>Set return format</em> |
 | public | <strong>ui()</strong> : <em>integer</em><br /><em>Get custom ui state</em> |
 | public | <strong>use_ajax()</strong> : <em>[\Geniem\ACF\Field](#class-geniemacffield-abstract)\self</em><br /><em>Enable loading values via ajax</em> |
 | public | <strong>use_ui()</strong> : <em>[\Geniem\ACF\Field](#class-geniemacffield-abstract)\self</em><br /><em>Enable custom ui</em> |
diff --git a/plugin.php b/plugin.php
index 2aa96e7..2e095d6 100644
--- a/plugin.php
+++ b/plugin.php
@@ -3,7 +3,7 @@
 Plugin Name: ACF Codifier
 Plugin URI: https://github.com/devgeniem/acf-codifier
 Description: A helper class to make defining ACF field groups and fields easier in the code.
-Version: 1.22.0
+Version: 1.23.0
 Author: Miika Arponen / Geniem Oy
 Author URI: https://geniem.fi
 License: GPL-3.0