diff --git a/bmon.spec b/bmon.spec
index 92ff397..8805203 100644
--- a/bmon.spec
+++ b/bmon.spec
@@ -1,6 +1,6 @@
 Name:           bmon
-Version:        3.7
-Release:        15%{?dist}
+Version:        4.0
+Release:        1%{?dist}
 Summary:        Bandwidth monitor and rate estimator
 
 License:        BSD and GPLv2
@@ -8,7 +8,10 @@ URL:            http://github.com/tgraf/bmon
 Source0:        https://github.com/tgraf/bmon/releases/download/v%{version}/bmon-%{version}.tar.gz
 
 BuildRequires:  gcc
-BuildRequires:  libconfuse-devel libnl3-devel ncurses-devel
+BuildRequires:  libconfuse-devel
+BuildRequires:  libnl3-devel
+BuildRequires:  make
+BuildRequires:  ncurses-devel
 
 %description
 bmon is a monitoring and debugging tool to capture networking related
@@ -24,7 +27,7 @@ interface and a programmable text output for scripting.
 make %{?_smp_mflags} V=1
 
 %install
-make install DESTDIR=$RPM_BUILD_ROOT INSTALL="install -p"
+make install DESTDIR=%{buildroot} INSTALL="install -p"
 
 %files
 %{_bindir}/bmon
@@ -32,6 +35,9 @@ make install DESTDIR=$RPM_BUILD_ROOT INSTALL="install -p"
 %{_docdir}/bmon/examples/bmon.conf
 
 %changelog
+* Tue Dec 01 2020 Boian Bonev <bbonev@ipacct.com> - 4.0-1
+- Update to 4.0 release
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 3.7-15
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild