diff --git a/python-nbclient.spec b/python-nbclient.spec
index 871d02b..230c649 100644
--- a/python-nbclient.spec
+++ b/python-nbclient.spec
@@ -1,6 +1,6 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-nbclient
-Version:       0.6.2
+Version:       0.6.3
 Release:       1mamba
 Summary:       A client library for executing notebooks
 Group:         System/Libraries
@@ -51,6 +51,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %doc LICENSE
 
 %changelog
+* Tue May 10 2022 Automatic Build System <autodist@mambasoft.it> 0.6.3-1mamba
+- automatic version update by autodist
+
 * Wed May 04 2022 Automatic Build System <autodist@mambasoft.it> 0.6.2-1mamba
 - automatic version update by autodist