diff --git a/python-zstandard.spec b/python-zstandard.spec
index 886ca2e..20cf961 100644
--- a/python-zstandard.spec
+++ b/python-zstandard.spec
@@ -1,5 +1,5 @@
 Name:          python-zstandard
-Version:       0.20.0
+Version:       0.21.0
 Release:       1mamba
 Summary:       Python bindings for interfacing with the Zstandard compression library. A C extension and CFFI interface are provided
 Group:         System/Libraries
@@ -50,6 +50,9 @@ sed -i "s,.*/man/.*,&.gz," %{name}.filelist
 # %doc README.rst
 
 %changelog
+* Tue Apr 18 2023 Automatic Build System <autodist@mambasoft.it> 0.21.0-1mamba
+- automatic version update by autodist
+
 * Tue Feb 21 2023 Automatic Build System <autodist@mambasoft.it> 0.20.0-1mamba
 - automatic version update by autodist