diff --git a/grep.spec b/grep.spec
index fb149c4..4d2d7ed 100644
--- a/grep.spec
+++ b/grep.spec
@@ -1,5 +1,5 @@
 Name:          grep
-Version:       3.6
+Version:       3.7
 Release:       1mamba
 Summary:       The GNU versions of grep pattern matching utilities
 Group:         Applications/File
@@ -17,7 +17,6 @@ BuildRequires: libpcre-devel
 ## AUTOBUILDREQ-END
 BuildRequires: gettext-devel
 BuildRequires: bison
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 The GNU versions of commonly used grep utilities.  
@@ -67,6 +66,9 @@ exit 0
 #%doc ChangeLog NEWS README TODO
 
 %changelog
+* Sun Aug 15 2021 Automatic Build System <autodist@mambasoft.it> 3.7-1mamba
+- automatic version update by autodist
+
 * Mon Nov 09 2020 Automatic Build System <autodist@mambasoft.it> 3.6-1mamba
 - automatic version update by autodist