diff --git a/json_pure-2.6.2.gem b/json_pure-2.6.2.gem
deleted file mode 100644
index 65a93a5..0000000
Binary files a/json_pure-2.6.2.gem and /dev/null differ
diff --git a/json_pure-2.6.3.gem b/json_pure-2.6.3.gem
new file mode 100644
index 0000000..0dc13b9
Binary files /dev/null and b/json_pure-2.6.3.gem differ
diff --git a/ruby-json_pure.spec b/ruby-json_pure.spec
index e9e8867..0769401 100644
--- a/ruby-json_pure.spec
+++ b/ruby-json_pure.spec
@@ -1,7 +1,7 @@
 %define gemdir %(ruby -rrubygems -e'puts Gem.default_dir')
 %define gemname %(echo %{name} | sed 's,^ruby-,,')
 Name:          ruby-json_pure
-Version:       2.6.2
+Version:       2.6.3
 Release:       1mamba
 Summary:       A JSON implementation in pure Ruby
 Group:         System/Libraries
@@ -44,6 +44,9 @@ rm -f %{buildroot}%{gemdir}/gems/%{gemname}-%{version}/.gitignore
 %{_libdir}/ruby/gems/*/doc/%{gemname}-%{version}/*
 
 %changelog
+* Mon Dec 05 2022 Automatic Build System <autodist@mambasoft.it> 2.6.3-1mamba
+- automatic version update by autodist
+
 * Mon May 16 2022 Automatic Build System <autodist@mambasoft.it> 2.6.2-1mamba
 - automatic version update by autodist