diff --git a/nokogiri-1.15.3.gem b/nokogiri-1.15.4.gem
similarity index 53%
rename from nokogiri-1.15.3.gem
rename to nokogiri-1.15.4.gem
index 59486f6..839cb5f 100644
Binary files a/nokogiri-1.15.3.gem and b/nokogiri-1.15.4.gem differ
diff --git a/ruby-nokogiri.spec b/ruby-nokogiri.spec
index 57c245d..dbc36fe 100644
--- a/ruby-nokogiri.spec
+++ b/ruby-nokogiri.spec
@@ -1,5 +1,5 @@
 Name:          ruby-nokogiri
-Version:       1.15.3
+Version:       1.15.4
 Release:       1mamba
 Summary:       An HTML, XML, SAX, and Reader parser
 Group:         System/Libraries
@@ -52,6 +52,9 @@ rm -rf %{buildroot}${gemdir}/cache
 %doc nokogiri-%{version}/LICENSE.md
 
 %changelog
+* Sat Aug 12 2023 Automatic Build System <autodist@mambasoft.it> 1.15.4-1mamba
+- automatic version update by autodist
+
 * Thu Jul 06 2023 Automatic Build System <autodist@mambasoft.it> 1.15.3-1mamba
 - automatic version update by autodist