diff --git a/vulkan-headers.spec b/vulkan-headers.spec
index 84d4ebd..966b8f9 100644
--- a/vulkan-headers.spec
+++ b/vulkan-headers.spec
@@ -1,5 +1,5 @@
 Name:          vulkan-headers
-Version:       1.2.168
+Version:       1.2.170
 Release:       1mamba
 Summary:       Vulkan Header files and API registry
 Group:         Development/Libraries
@@ -12,7 +12,6 @@ License:       Apache License 2.0
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Vulkan Header files and API registry.
@@ -41,6 +40,9 @@ Vulkan Header files and API registry.
 %doc README.md
 
 %changelog
+* Wed Feb 24 2021 Automatic Build System <autodist@mambasoft.it> 1.2.170-1mamba
+- automatic version update by autodist
+
 * Tue Jan 26 2021 Automatic Build System <autodist@mambasoft.it> 1.2.168-1mamba
 - automatic version update by autodist