diff --git a/python-zope-schema.spec b/python-zope-schema.spec
index 0540fe5..bc617de 100644
--- a/python-zope-schema.spec
+++ b/python-zope-schema.spec
@@ -1,5 +1,5 @@
 Name:          python-zope-schema
-Version:       6.2.0
+Version:       6.2.1
 Release:       1mamba
 Summary:       zope.interface extension for defining data schemas
 Group:         System/Libraries/Python
@@ -10,6 +10,7 @@ URL:           https://pypi.org/project/zope.schema/
 Source:        https://pypi.debian.net/zope.schema/zope.schema-%{version}.tar.gz
 License:       Zope Public License
 ## AUTOBUILDREQ-BEGIN
+BuildRequires: libpython3-devel
 ## AUTOBUILDREQ-END
 Requires:      python >= %python_version
 Requires:      python-zope-interface
@@ -73,6 +74,9 @@ sed -i "\,/tests/,d" %{name}.filelist
 %doc COPYRIGHT.txt LICENSE.txt
 
 %changelog
+* Fri Sep 16 2022 Automatic Build System <autodist@mambasoft.it> 6.2.1-1mamba
+- automatic version update by autodist
+
 * Mon Oct 18 2021 Automatic Build System <autodist@mambasoft.it> 6.2.0-1mamba
 - automatic version update by autodist