diff --git a/python-pytoolconfig.spec b/python-pytoolconfig.spec
index cabb784..d47fd6f 100644
--- a/python-pytoolconfig.spec
+++ b/python-pytoolconfig.spec
@@ -1,7 +1,7 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-pytoolconfig
-Version:       1.2.5
-Release:       3mamba
+Version:       1.3.1
+Release:       1mamba
 Summary:       Python Tool Configuration
 Group:         System/Libraries
 Vendor:        openmamba
@@ -16,6 +16,7 @@ BuildRequires: python3.11dist(packaging)
 ## AUTOBUILDREQ-END
 BuildRequires: python3-devel >= 3.11.5-3mamba
 BuildRequires: python-pdm-pep517-py3
+BuildRequires: python-pdm_backend-py3
 
 %description
 %{summary}.
@@ -50,6 +51,9 @@ CFLAGS="%{optflags}" %{__python} -m build --no-isolation --wheel
 %doc LICENSE
 
 %changelog
+* Mon Mar 11 2024 Automatic Build System <autodist@openmamba.org> 1.3.1-1mamba
+- automatic version update by autodist
+
 * Fri Sep 29 2023 Automatic Build System <autodist@mambasoft.it> 1.2.5-3mamba
 - rebuilt by autoport with build requirements: python3-devel>=3.11.5-3mamba