diff --git a/CHANGELOG.md b/CHANGELOG.md
index 427f757..1b0e7b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 ## [Unreleased]
 
+## [0.5.0] - 2024-02-23
+
+### Added
+
+- Layer for external services.
+- Creation of first external service: email.
+- Configure email as application provider.
+- Mandatory environment variables for communication with email service.
+- Configuring development environment to run email service on local machine.
+- Using `idlemailer` dependency to build emails and triggers.
+
+## Changes
+
+- I18n locale directory from `config/locales` to root path of project.
+- Scope i18n messages by locale.
+
 ## [0.4.1] - 2024-02-20
 
 ### Added
diff --git a/lib/auction_fun_core/services/mail/templates/layout.html.erb b/lib/auction_fun_core/services/mail/templates/layout.html.erb
index 1040de6..0a886b8 100644
--- a/lib/auction_fun_core/services/mail/templates/layout.html.erb
+++ b/lib/auction_fun_core/services/mail/templates/layout.html.erb
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">
   <head>
-    <title> Welcome to Coded Mails </title>
+    <title>AuctionFun</title>
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
