diff --git a/kdf.spec b/kdf.spec
index 9965d11..2b3bd55 100644
--- a/kdf.spec
+++ b/kdf.spec
@@ -1,5 +1,5 @@
 Name:          kdf
-Version:       21.08.1
+Version:       21.08.2
 Release:       1mamba
 Summary:       A graphical free disk space view
 Group:         Graphical Desktop/Applications/Utilities
@@ -12,6 +12,7 @@ License:       GPL
 BuildRequires: cmake
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libX11-devel
 BuildRequires: libgcc
 BuildRequires: libkauth-devel
 BuildRequires: libkcodecs-devel
@@ -100,6 +101,9 @@ exit 0
 %doc COPYING
 
 %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