diff --git a/sysprof.spec b/sysprof.spec
index 247674e..a0f8ac8 100644
--- a/sysprof.spec
+++ b/sysprof.spec
@@ -1,6 +1,6 @@
 %define majver %(echo %version | cut -d. -f1-2)
 Name:          sysprof
-Version:       3.38.1
+Version:       3.40.1
 Release:       1mamba
 Summary:       A sampling profiler that uses a kernel module to generate stacktraces
 Group:         System/Libraries
@@ -13,18 +13,17 @@ Patch0:        sysprof-3.36.0-x86-fix-long-long-type.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
 BuildRequires: libcairo-devel
 BuildRequires: libdazzle-devel
 BuildRequires: libglib-devel
-BuildRequires: libgtk-devel
+BuildRequires: libgtk3-devel
+BuildRequires: libjson-glib-devel
 BuildRequires: libpango-devel
 BuildRequires: libpolkit-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libunwind-devel
 ## AUTOBUILDREQ-END
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Sysprof is a sampling profiler that uses a kernel module to generate stacktraces which are then interpreted by the userspace program "sysprof".
@@ -118,6 +117,9 @@ This package contains libraries and header files for developing applications tha
 #%doc NEWS README.md
 
 %changelog
+* Fri Apr 23 2021 Automatic Build System <autodist@mambasoft.it> 3.40.1-1mamba
+- automatic version update by autodist
+
 * Sat Jan 30 2021 Automatic Build System <autodist@mambasoft.it> 3.38.1-1mamba
 - automatic version update by autodist