diff --git a/clamav-milter.systemd b/clamav-milter.systemd
index dc9a3f4..15aaa47 100644
--- a/clamav-milter.systemd
+++ b/clamav-milter.systemd
@@ -9,5 +9,17 @@ Type = simple
 ExecStart = /usr/sbin/clamav-milter -c /etc/mail/clamav-milter.conf --nofork=yes
 Restart = on-failure
 
+User=clamilt
+Group=clamilt
+
+PrivateTmp=yes
+PrivateDevices=yes
+NoNewPrivileges=yes
+CapabilityBoundingSet=CAP_KILL
+
+ReadOnlyDirectories=/etc
+ReadOnlyDirectories=/usr
+ReadOnlyDirectories=/var/lib
+
 [Install]
 WantedBy = multi-user.target
diff --git a/clamav.spec b/clamav.spec
index ea85417..60016e2 100644
--- a/clamav.spec
+++ b/clamav.spec
@@ -58,7 +58,7 @@ Requires(postun):	 /bin/systemctl\
 Summary:	End-user tools for the Clam Antivirus scanner
 Name:		clamav
 Version:	0.99
-Release:	1%{?dist}
+Release:	2%{?dist}
 License:	%{?with_unrar:proprietary}%{!?with_unrar:GPLv2}
 Group:		Applications/File
 URL:		http://www.clamav.net
@@ -117,6 +117,7 @@ Group:		Development/Libraries
 Source100:	clamd-gen
 Requires:	clamav-lib        = %version-%release
 Requires:	clamav-filesystem = %version-%release
+Requires:	openssl-devel
 
 %package data
 Summary:	Virus signature data for the Clam Antivirus scanner
@@ -891,6 +892,10 @@ test "$1" != "0" || /sbin/initctl -q stop clamav-milter || :
 
 
 %changelog
+* Sun Dec 06 2015 Robert Scheck <robert@fedoraproject.org> - 0.99-2
+- Require openssl-devel for clamav-devel
+- Change clamav-milter unit for upstream changes (#1287795)
+
 * Wed Dec 02 2015 Robert Scheck <robert@fedoraproject.org> - 0.99-1
 - Upgrade to 0.99 and updated daily.cvd (#1287327)