diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a6a78e..57185cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,16 +8,23 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ### v3.15.1 - [Unreleased]
 
-### v3.15.0 - 2022-05-26
+### v3.15.0 - 2022-09-09
+
+#### Added
+
+- Ubuntu 22.04 LTS Support
 
 #### Changed
 
-- New Nginx package based on latest Nginx stable release 1.20.2
+- New Nginx package based on latest Nginx stable release 1.22.2
 - Better Referrer-Policy ([PR #434](https://github.com/WordOps/WordOps/pull/434))
+- MariaDB default version is now 10.6
 
 #### Fixed
 
 - `wo log reset --all` ([PR #438](https://github.com/WordOps/WordOps/pull/438))
+- Outdated Nginx directives
+- Netdata stack upgrade([PR #439](https://github.com/WordOps/WordOps/pull/439))
 
 ### v3.14.2 - 2022-04-29
 
diff --git a/README.md b/README.md
index 1645fc1..24fdbe0 100644
--- a/README.md
+++ b/README.md
@@ -58,16 +58,20 @@
 
 #### Recommended
 
+- Ubuntu 22.04 LTS (Jammy)
 - Ubuntu 20.04 LTS (Focal)
 - Ubuntu 18.04 LTS (Bionic)
 
 #### Also compatible
 
-- Debian 9 (Stretch)
 - Debian 10 (Buster)
-- Raspbian 9 (Stretch)
 - Raspbian 10 (Buster)
 
+#### For testing purpose only
+
+- Debian 11 (Bullseye)
+- Raspbian 11 (Bullseye)
+
 ## Getting Started
 
 ```bash
@@ -121,7 +125,7 @@ wo site create example.com --html     # create example.com for static/html sites
 wo site create example.com --php      # create example.com with php 8.0 support
 wo site create example.com --php80      # create example.com with php 8.0 support
 wo site create example.com --php74      # create example.com with php 7.4 support
-wo site create example.com --mysql    # create example.com with php 7.3 & mysql support
+wo site create example.com --mysql    # create example.com with php 8.0 & mysql support
 wo site create example.com --mysql --php81   # create example.com with php 8.1 & mysql support
 wo site create example.com --mysql --php73   # create example.com with php 7.3 & mysql support
 wo site create example.com --proxy=127.0.0.1:3000 #  create example.com with nginx as reverse-proxy
diff --git a/install b/install
index dbdeef2..e8b2438 100755
--- a/install
+++ b/install
@@ -9,7 +9,7 @@
 # -------------------------------------------------------------------------
 # wget -qO wo wops.cc && sudo -E bash wo
 # -------------------------------------------------------------------------
-# Version 3.15.0 - 2022-05-26
+# Version 3.15.0 - 2022-09-09
 # -------------------------------------------------------------------------
 
 # CONTENTS