diff --git a/rtkit.spec b/rtkit.spec
index 217d020..7b74dc7 100644
--- a/rtkit.spec
+++ b/rtkit.spec
@@ -1,18 +1,13 @@
-%global _hardened_build 1
-
 Name:             rtkit
 Version:          0.11
-Release:          19%{?dist}
+Release:          20%{?dist}
 Summary:          Realtime Policy and Watchdog Daemon
-Group:            System Environment/Base
 # The daemon itself is GPLv3+, the reference implementation for the client BSD
 License:          GPLv3+ and BSD
 URL:              http://git.0pointer.net/rtkit.git/
 Requires:         dbus
 Requires:         polkit
-Requires(post):   systemd
-Requires(preun):  systemd
-Requires(postun): systemd
+BuildRequires:    systemd
 BuildRequires:    dbus-devel >= 1.2
 BuildRequires:    libcap-devel
 BuildRequires:    polkit-devel
@@ -25,6 +20,8 @@ Patch3:           rtkit-controlgroup.patch
 # Temporarily disable -Werror=format-security since it breaks the build
 Patch4:           format-security.patch
 
+%systemd_requires
+
 %description
 RealtimeKit is a D-Bus system service that changes the
 scheduling policy of user processes/threads to SCHED_RR (i.e. realtime
@@ -33,11 +30,7 @@ mechanism to allow real-time scheduling to be used by normal user
 processes.
 
 %prep
-%setup -q
-%patch1 -p1
-%patch2 -p1
-%patch3 -p1
-%patch4 -p1
+%autosetup -p1
 
 %build
 autoreconf -fvi
@@ -86,6 +79,9 @@ dbus-send --system --type=method_call --dest=org.freedesktop.DBus / org.freedesk
 %{_mandir}/man8/*
 
 %changelog
+* Tue Oct  9 2018 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 0.11-20
+- Modernize a bit and fix BuildRequires (#1637496)
+
 * Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.11-19
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild