diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab2b663e..77fb573f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
-# Unreleased
+# 0.22.0
 
-* Change: semians will trigger on ER_PROXYSQL_MAX_CONN_TIMEOUT (#520)
+* Change: semians will trigger on ER_PROXYSQL_MAX_CONN_TIMEOUT with mysql2 (#522)
 * Change: added support for dynamic semian_configurations to the Semian Redis adapter
-* Change: `Semian.disable_bulkheads_for_thread` disables bulkheads for the given thread
+* New: `Semian.disable_bulkheads_for_thread` disables bulkheads for the given thread
 
 # v0.21.3
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 509e9d5b..1af48e19 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GIT
 PATH
   remote: .
   specs:
-    semian (0.22.0.RC.1)
+    semian (0.22.0)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/semian/version.rb b/lib/semian/version.rb
index 93c58c5c..342eace7 100644
--- a/lib/semian/version.rb
+++ b/lib/semian/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Semian
-  VERSION = "0.22.0.RC.1"
+  VERSION = "0.22.0"
 end