diff --git a/libunwind.spec b/libunwind.spec
index 5ed6ae5..84be502 100644
--- a/libunwind.spec
+++ b/libunwind.spec
@@ -1,6 +1,6 @@
 Name:          libunwind
-Version:       1.5.0
-Release:       2mamba
+Version:       1.6.0
+Release:       1mamba
 Summary:       A portable and efficient C programming interface (API) to determine the call-chain of a program
 Group:         System/Libraries
 Vendor:        openmamba
@@ -12,12 +12,10 @@ Patch0:        libunwind-1.2.1-arm-fix-build-failure-due-to-asm.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
 BuildRequires: libgcc
 BuildRequires: liblzma-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 libunwind implements a portable and efficient C programming interface (API) to determine the call-chain of a program. The API additionally provides the means to manipulate the preserved (callee-saved) state of each call-frame and to resume execution at any point in the call-chain (non-local goto). The API supports both local (same-process) and remote (across-process) operation. As such, the API is useful in a number of applications. Some examples include:
@@ -139,6 +137,9 @@ This package contains static libraries and header files need for development.
 #%doc ChangeLog LICENSE NEWS README TODO
 
 %changelog
+* Sat Nov 27 2021 Automatic Build System <autodist@mambasoft.it> 1.6.0-1mamba
+- automatic version update by autodist
+
 * Mon Nov 30 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.0-2mamba
 - rebuilt with debug package