diff --git a/python-sip.spec b/python-sip.spec
index b75d475..34cfc18 100644
--- a/python-sip.spec
+++ b/python-sip.spec
@@ -1,6 +1,6 @@
 Name:          python-sip
-Version:       6.5.1
-Release:       3mamba
+Version:       6.6.1
+Release:       1mamba
 Summary:       Python extension module generator for C and C++ libraries
 Group:         System/Libraries/Python
 Vendor:        openmamba
@@ -13,6 +13,7 @@ License:       GPL
 BuildRequires: glibc-devel
 BuildRequires: libpython3-devel
 BuildRequires: python3.7dist(packaging)
+BuildRequires: python3.7dist(ply)
 BuildRequires: python3.7dist(setuptools)
 BuildRequires: python3.7dist(toml)
 ## AUTOBUILDREQ-END
@@ -81,6 +82,9 @@ find %{python_sitearch}/*.egg-info -type d -empty -delete > /dev/null || true
 %doc LICENSE LICENSE-GPL2 LICENSE-GPL3
 
 %changelog
+* Sat May 21 2022 Automatic Build System <autodist@mambasoft.it> 6.6.1-1mamba
+- automatic version update by autodist
+
 * Thu Apr 07 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 6.5.1-3mamba
 - fix some requires and obsoletes