diff --git a/latencytop.spec b/latencytop.spec
index 4ebdfa4..45ff0b3 100644
--- a/latencytop.spec
+++ b/latencytop.spec
@@ -1,9 +1,8 @@
 Name:           latencytop
 Version:        0.5
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        System latency monitor (with GUI)
 
-Group:          Applications/System
 License:        GPLv2
 URL:            http://www.latencytop.org/
 Source0:        http://www.latencytop.org/download/%{name}-%{version}.tar.gz
@@ -12,6 +11,7 @@ Patch1:         latencytop-Makefile-default-to-no-gtk.patch
 Patch2:         latencytop-remove-the-fsync-view.patch
 Patch3:         latencytop-better-error-message.patch
 
+BuildRequires:  gcc
 BuildRequires:  ncurses-devel glib2-devel gtk2-devel pkgconfig
 Requires:       %{name}-common = %{version}-%{release}
 
@@ -24,7 +24,6 @@ This package contains a build of LatencyTOP with GUI interface. For a build
 without GUI install %{name}-tui instead.
 
 %package tui
-Group:          Applications/System
 Summary:        System latency monitor (text interface only)
 Requires:       %{name}-common = %{version}-%{release}
 
@@ -37,7 +36,6 @@ This package contains a build of LatencyTOP without GUI support (and with few
 dependencies).
 
 %package common
-Group:          Applications/System
 Summary:        System latency monitor (shared files for both GUI and TUI builds)
 
 %description common
@@ -54,7 +52,6 @@ This package contains files needed by both the GUI and TUI builds of LatencyTOP.
 %patch2 -p2
 %patch3 -p2
 
-
 %build
 export CFLAGS="${CFLAGS:-%{optflags}}"
 # make two builds, first without GUI, then with
@@ -81,8 +78,11 @@ ln -s latencytop.8 %{buildroot}%{_mandir}/man8/latencytop-tui.8
 %{_datadir}/%{name}
 %{_mandir}/man8/*
 
-
 %changelog
+* Tue Mar 13 2018 Michal Schmidt <mschmidt@redhat.com> - 0.5-21
+- BR: gcc
+- Drop Group tags
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.5-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild