diff --git a/ffmpegthumbs.spec b/ffmpegthumbs.spec
index cedf92b..10463e9 100644
--- a/ffmpegthumbs.spec
+++ b/ffmpegthumbs.spec
@@ -1,5 +1,5 @@
 Name:          ffmpegthumbs
-Version:       21.08.1
+Version:       21.08.2
 Release:       1mamba
 Summary:       A lightweight video thumbnailer that can be used by file managers
 Group:         Graphical Desktop/Applications/Multimedia
@@ -11,6 +11,7 @@ Source:        http://download.kde.org/stable/release-service/%{version}/src/ffm
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libX11-devel
 BuildRequires: libavcodec-ffmpeg-devel
 BuildRequires: libavfilter-ffmpeg-devel
 BuildRequires: libavformat-ffmpeg-devel
@@ -75,6 +76,9 @@ exit 0
 %doc LICENSES
 
 %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