diff --git a/thunderbird.spec b/thunderbird.spec
index 03b597f..2c1ab93 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -9,7 +9,7 @@
 #%define        source_dir                  comm-esr%(echo %version | cut -d. -f1)
 
 Name:          thunderbird
-Version:       60.5.2
+Version:       60.5.3
 Release:       1mamba
 Summary:       Mozilla Thunderbird email, RSS, and newsgroup client
 Group:         Graphical Desktop/Applications/Internet
@@ -1269,6 +1269,9 @@ Chinese (Traditional) language support for Thunderbird.
 %{tbdir}/extensions/langpack-zh-TW@thunderbird.mozilla.org/
 
 %changelog
+* Wed Mar 06 2019 Automatic Build System <autodist@mambasoft.it> 60.5.3-1mamba
+- automatic version update by autodist
+
 * Tue Feb 26 2019 Automatic Build System <autodist@mambasoft.it> 60.5.2-1mamba
 - automatic version update by autodist