diff --git a/src/install.rdf b/src/install.rdf
index 1f7efc0..d196127 100644
--- a/src/install.rdf
+++ b/src/install.rdf
@@ -6,7 +6,7 @@
     <em:unpack>true</em:unpack> <!-- needed for embedded icons -->
     <em:type>2</em:type>
     <em:name>FireTray</em:name>
-    <em:version>0.5.2</em:version> <!-- change FIRETRAY_VERSION accordingly ! -->
+    <em:version>0.5.3</em:version> <!-- change FIRETRAY_VERSION accordingly ! -->
     <em:creator>Hua Luo, Francesco Solero, Foudil BRÉTEL</em:creator>
     <em:contributor>Hua Luo, Francesco Solero (Firetray original authors)</em:contributor>
     <em:homepageURL>https://github.com/foudfou/firetray</em:homepageURL>
diff --git a/src/modules/commons.js b/src/modules/commons.js
index ba19c67..83d9211 100644
--- a/src/modules/commons.js
+++ b/src/modules/commons.js
@@ -25,7 +25,7 @@ const Cu = Components.utils;
 Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://firetray/logging.jsm");
 
-const FIRETRAY_VERSION           = "0.5.2"; // needed for sync call of onVersionChange() :(
+const FIRETRAY_VERSION           = "0.5.3"; // needed for sync call of onVersionChange() :(
 const FIRETRAY_SUPPORTED_OS      = ['linux', 'winnt']; // install.rdf sync :(
 const FIRETRAY_CHAT_SUPPORTED_OS = ['linux'];
 const FIRETRAY_FULL_FEAT_SUPPORTED_OS = FIRETRAY_CHAT_SUPPORTED_OS;