diff --git a/protobuf.spec b/protobuf.spec
index 5a5bfca..2f284d4 100644
--- a/protobuf.spec
+++ b/protobuf.spec
@@ -1,5 +1,5 @@
 Name:          protobuf
-Version:       3.19.4
+Version:       3.20.1
 Release:       1mamba
 Summary:       A way of encoding structured data in an efficient yet extensible format
 Group:         Development/Tools
@@ -113,6 +113,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python3_sitearch}/protobuf-%{version}-py*.egg-info/*
 
 %changelog
+* Sat Apr 23 2022 Automatic Build System <autodist@mambasoft.it> 3.20.1-1mamba
+- automatic version update by autodist
+
 * Sat Jan 29 2022 Automatic Build System <autodist@mambasoft.it> 3.19.4-1mamba
 - automatic version update by autodist