diff --git a/CHANGELOG.md b/CHANGELOG.md
index fb8e1ab4..9e854f71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 2.2.3
 
 - Added `wp_cache_flush_group()` support
 - Updated Credis to v1.14.0
diff --git a/includes/object-cache.php b/includes/object-cache.php
index 87826c7a..a41381a1 100644
--- a/includes/object-cache.php
+++ b/includes/object-cache.php
@@ -3,7 +3,7 @@
  * Plugin Name: Redis Object Cache Drop-In
  * Plugin URI: https://wordpress.org/plugins/redis-cache/
  * Description: A persistent object cache backend powered by Redis. Supports Predis, PhpRedis, Relay, replication, sentinels, clustering and WP-CLI.
- * Version: 2.2.3-dev
+ * Version: 2.2.3
  * Author: Till Krüss
  * Author URI: https://objectcache.pro
  * License: GPLv3
diff --git a/readme.txt b/readme.txt
index b2b09f34..6c6f7abf 100644
--- a/readme.txt
+++ b/readme.txt
@@ -5,7 +5,7 @@ Tags: redis, object cache, cache, object caching, caching performance, relay, pr
 Requires at least: 3.3
 Tested up to: 6.1
 Requires PHP: 7.2
-Stable tag: 2.2.3-dev
+Stable tag: 2.2.3
 License: GPLv3
 License URI: https://www.gnu.org/licenses/gpl-3.0.html
 
@@ -83,6 +83,13 @@ To see a list of all available WP-CLI commands, please see the [WP CLI commands
 
 == Changelog ==
 
+= 2.2.3 =
+
+- Added `wp_cache_flush_group()` support
+- Updated Credis to v1.14.0
+- Drop `$delay` parameter from `wp_cache_flush()`
+- Prevent rare error in diagnostics when reading connection errors
+
 = 2.2.2 =
 
 - Use `QM_Data_Cache` instead of `QM_Data`
diff --git a/redis-cache.php b/redis-cache.php
index c6cf3085..080da010 100644
--- a/redis-cache.php
+++ b/redis-cache.php
@@ -3,7 +3,7 @@
  * Plugin Name: Redis Object Cache
  * Plugin URI: https://wordpress.org/plugins/redis-cache/
  * Description: A persistent object cache backend powered by Redis. Supports Predis, PhpRedis, Relay, replication, sentinels, clustering and WP-CLI.
- * Version: 2.2.3-dev
+ * Version: 2.2.3
  * Text Domain: redis-cache
  * Domain Path: /languages
  * Network: true