diff --git a/libgtk.spec b/libgtk.spec
index 7d52f96..3ac51f7 100644
--- a/libgtk.spec
+++ b/libgtk.spec
@@ -8,7 +8,7 @@
 #%define gdk_pixbuf_version 2.26.0
 
 Name:          libgtk
-Version:       4.2.0
+Version:       4.2.1
 Release:       1mamba
 Summary:       The GIMP ToolKit (GTK+), a library for creating GUIs
 Group:         System/Libraries
@@ -26,7 +26,6 @@ License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: gst-plugins-bad-devel
-BuildRequires: ldconfig
 BuildRequires: libX11-devel
 BuildRequires: libXcomposite-devel
 BuildRequires: libXcursor-devel
@@ -308,6 +307,9 @@ FS=`stat -c %s %{_sysconfdir}/gtk-%{libver}/gtk-pixbuf.loaders 2>/dev/null`
 #%{_datadir}/gtk-doc/html/gtk4/*
 
 %changelog
+* Tue May 04 2021 Automatic Build System <autodist@mambasoft.it> 4.2.1-1mamba
+- automatic version update by autodist
+
 * Tue Mar 30 2021 Automatic Build System <autodist@mambasoft.it> 4.2.0-1mamba
 - automatic version update by autodist