diff --git a/kernel.spec b/kernel.spec
index 98413bf..6d20a96 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -95,7 +95,7 @@
 %define _use_internal_dependency_generator 1
 
 Name:          kernel
-Version:       6.6.21
+Version:       6.6.30
 Release:       1mamba
 Summary:       The Linux Kernel, the operating system core itself
 Group:         System/Kernel and Hardware
@@ -125,7 +125,9 @@ BuildRequires: perl-devel
 %if "%{USE_DISTCC}" == "1"
 BuildRequires: distcc ccache
 %endif
+BuildRequires: bc
 BuildRequires: bison >= 3.4.1
+BuildRequires: rsync
 
 %description
 The Linux Kernel, the operating system core itself.
@@ -593,6 +595,9 @@ fi
 /lib/modules/%{kernel_ver}%{?KERNEL_LOCALVER}/build
 
 %changelog
+* Thu May 09 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.6.30-1mamba
+- update to 6.6.30
+
 * Thu Mar 14 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.6.21-1mamba
 - update to 6.6.21