diff --git a/kde-gtk-config.spec b/kde-gtk-config.spec
index 3eb92a2..2c5a4e6 100644
--- a/kde-gtk-config.spec
+++ b/kde-gtk-config.spec
@@ -1,6 +1,6 @@
 %define plasmaver %(echo %{version} | cut -d. -f1-3)
 Name:          kde-gtk-config
-Version:       5.21.4
+Version:       5.21.5
 Release:       1mamba
 Summary:       GTK2 and GTK3 Configurator for KDE
 Group:         Graphical Desktop/Applications/Configuration
@@ -13,13 +13,12 @@ Patch0:        kde-gtk-config-5.16.4-pango-1.44.1.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
 BuildRequires: libatk-devel
 BuildRequires: libcairo-devel
 BuildRequires: libgcc
 BuildRequires: libgdk-pixbuf-devel
 BuildRequires: libglib-devel
-BuildRequires: libgtk-devel
+BuildRequires: libgtk3-devel
 BuildRequires: libharfbuzz-devel
 BuildRequires: libkauth-devel
 BuildRequires: libkcodecs-devel
@@ -84,6 +83,9 @@ Configuration dialog to adapt GTK applications appearance to your taste under KD
 %doc LICENSES
 
 %changelog
+* Wed May 05 2021 Automatic Build System <autodist@mambasoft.it> 5.21.5-1mamba
+- automatic version update by autodist
+
 * Wed Apr 07 2021 Automatic Build System <autodist@mambasoft.it> 5.21.4-1mamba
 - automatic version update by autodist