diff --git a/libdeflate.spec b/libdeflate.spec
index acdb57e..8f83bb2 100644
--- a/libdeflate.spec
+++ b/libdeflate.spec
@@ -1,5 +1,5 @@
 Name:          libdeflate
-Version:       1.20
+Version:       1.21
 Release:       1mamba
 Summary:       Heavily optimized library for DEFLATE/zlib/gzip compression and decompression
 Group:         System/Libraries
@@ -73,5 +73,8 @@ This package contains utility applications for %{name}.
 %{_bindir}/libdeflate-gzip
 
 %changelog
+* Mon Aug 05 2024 Automatic Build System <autodist@openmamba.org> 1.21-1mamba
+- automatic version update by autodist
+
 * Sun Aug 04 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.20-1mamba
 - package created using the webbuild interface