diff --git a/valgrind.spec b/valgrind.spec
index ea406e0..36c8283 100644
--- a/valgrind.spec
+++ b/valgrind.spec
@@ -1,7 +1,7 @@
 %define        perl_major_ver  %(eval `perl -V:version`; echo ${version%*.[0-9]*}.0)
 
 Name:          valgrind
-Version:       3.20.0
+Version:       3.21.0
 Release:       1mamba
 Summary:       Valgrind Memory Debugger
 Group:         Development/Tools
@@ -49,7 +49,7 @@ This package contains static libraries and header files needed for development.
 #:<< ___EOF
 #%patch0 -p1
 #%patch1 -p1
-%patch2 -p1
+%patch 2 -p1
 # use our own find-requires
 %define __find_provides %{_builddir}/%{name}-%{version}/find_provides.sh
 
@@ -123,6 +123,9 @@ mv -f %{buildroot}%{_defaultdocdir}/%{name} \
 %doc FAQ.txt NEWS README*
 
 %changelog
+* Sat Apr 29 2023 Automatic Build System <autodist@mambasoft.it> 3.21.0-1mamba
+- automatic version update by autodist
+
 * Tue Oct 25 2022 Automatic Build System <autodist@mambasoft.it> 3.20.0-1mamba
 - automatic version update by autodist