diff --git a/zstd.spec b/zstd.spec
index f43d6b3..509e196 100644
--- a/zstd.spec
+++ b/zstd.spec
@@ -1,5 +1,5 @@
 Name:          zstd
-Version:       1.4.2
+Version:       1.4.3
 Release:       1mamba
 Summary:       Zstandard - Fast real-time compression algorithm
 Group:         Applications/Archiving
@@ -83,6 +83,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Mon Sep 30 2019 Automatic Build System <autodist@mambasoft.it> 1.4.3-1mamba
+- automatic version update by autodist
+
 * Sun Aug 11 2019 Automatic Build System <autodist@mambasoft.it> 1.4.2-1mamba
 - automatic version update by autodist