diff --git a/CHANGELOG.md b/CHANGELOG.md
index acb810ef..73bffd26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [UNRELEASED]
+
 ## [4.1.5] - 2026-09-01
 
 ### Fixed
diff --git a/pdf.xml b/pdf.xml
index a434586c..c852d60f 100644
--- a/pdf.xml
+++ b/pdf.xml
@@ -39,6 +39,11 @@
       <author>Nelly MAHU-LASSON</author>
    </authors>
    <versions>
+      <version>
+         <num>4.0.5</num>
+         <compatibility>10.0.11</compatibility>
+         <download_url>https://github.com/pluginsGLPI/pdf/releases/download/4.0.5/glpi-pdf-4.0.5.tar.bz2</download_url>
+      </version>
       <version>
          <num>4.1.5</num>
          <compatibility>~11.0.0</compatibility>