diff --git a/kdegraphics-thumbnailers.spec b/kdegraphics-thumbnailers.spec
index 1ff92b5..855e8ef 100644
--- a/kdegraphics-thumbnailers.spec
+++ b/kdegraphics-thumbnailers.spec
@@ -1,5 +1,5 @@
 Name:          kdegraphics-thumbnailers
-Version:       21.08.1
+Version:       21.08.2
 Release:       1mamba
 Summary:       Thumbnailers for various graphic types
 Group:         Graphical Desktop/Applications/Graphics
@@ -11,6 +11,7 @@ Source:        http://download.kde.org/stable/release-service/%{version}/src/kde
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libX11-devel
 BuildRequires: libgcc
 BuildRequires: libkarchive-devel
 BuildRequires: libkcompletion-devel
@@ -69,6 +70,9 @@ exit 0
 %doc COPYING COPYING.LIB
 
 %changelog
+* Fri Oct 08 2021 Automatic Build System <autodist@mambasoft.it> 21.08.2-1mamba
+- automatic version update by autodist
+
 * Thu Sep 02 2021 Automatic Build System <autodist@mambasoft.it> 21.08.1-1mamba
 - automatic version update by autodist