diff --git a/srt.spec b/srt.spec
index fd79b34..b93a380 100644
--- a/srt.spec
+++ b/srt.spec
@@ -1,5 +1,5 @@
 Name:          srt
-Version:       1.5.2
+Version:       1.5.3
 Release:       1mamba
 Summary:       Secure Reliable Transport (SRT) Protocol
 Group:         Applications/Networking
@@ -85,6 +85,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Fri Sep 08 2023 Automatic Build System <autodist@mambasoft.it> 1.5.3-1mamba
+- automatic version update by autodist
+
 * Fri Jun 30 2023 Automatic Build System <autodist@mambasoft.it> 1.5.2-1mamba
 - automatic version update by autodist