diff --git a/puredata.spec b/puredata.spec
index c2fcd32..c16e9a3 100644
--- a/puredata.spec
+++ b/puredata.spec
@@ -1,7 +1,7 @@
 %define        majver %(echo %version | cut -d. -f1-2)
 %define        minver %(echo %version | cut -d. -f3)
 Name:          puredata
-Version:       0.51.4
+Version:       0.52.1
 Release:       1mamba
 Summary:       A real-time graphical programming environment for audio, video, and graphical processing
 Group:         Graphical Desktop/Applications/Multimedia
@@ -20,8 +20,6 @@ License:       GPL
 BuildRequires: glibc-devel
 BuildRequires: libalsa-devel
 BuildRequires: libjack-devel
-BuildRequires: libtcl-devel
-BuildRequires: libtk-devel
 ## AUTOBUILDREQ-END
 
 %description
@@ -107,6 +105,9 @@ EOF
 %{_libdir}/pkgconfig/pd.pc
 
 %changelog
+* Tue Dec 21 2021 Automatic Build System <autodist@mambasoft.it> 0.52.1-1mamba
+- automatic version update by autodist
+
 * Fri Feb 26 2021 Automatic Build System <autodist@mambasoft.it> 0.51.4-1mamba
 - automatic version update by autodist