diff --git a/python-nbformat.spec b/python-nbformat.spec
index 1c130dd..f47a42f 100644
--- a/python-nbformat.spec
+++ b/python-nbformat.spec
@@ -1,6 +1,6 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-nbformat
-Version:       5.2.0
+Version:       5.3.0
 Release:       1mamba
 Summary:       The Jupyter Notebook format
 Group:         System/Libraries
@@ -11,8 +11,8 @@ URL:           https://jupyter.org/
 Source:        https://pypi.debian.net/nbformat/nbformat-%{version}.tar.gz
 License:       BSD
 ## AUTOBUILDREQ-BEGIN
-BuildRequires: (python3.7dist(jsonschema) < 2.5 or python3.7dist(jsonschema) > 2.5)
 BuildRequires: libpython3-devel
+BuildRequires: python3.7dist(fastjsonschema)
 BuildRequires: python3.7dist(jsonschema)
 BuildRequires: python3.7dist(jupyter-core)
 BuildRequires: python3.7dist(setuptools)
@@ -49,6 +49,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/%{pkgname}-%{version}-py*.egg-info/*
 
 %changelog
+* Tue Apr 05 2022 Automatic Build System <autodist@mambasoft.it> 5.3.0-1mamba
+- automatic version update by autodist
+
 * Fri Mar 11 2022 Automatic Build System <autodist@mambasoft.it> 5.2.0-1mamba
 - automatic version update by autodist