diff --git a/pacemaker.spec b/pacemaker.spec
index b3e57ff..16d70e4 100644
--- a/pacemaker.spec
+++ b/pacemaker.spec
@@ -18,7 +18,7 @@
 
 ## Upstream commit (or git tag, such as "Pacemaker-" plus the
 ## {pcmkversion} macro for an official release) to use for this package
-%global commit Pacemaker-1.1.18-rc4
+%global commit Pacemaker-1.1.18
 ## Since git v2.11, the extent of abbreviation is autoscaled by default
 ## (used to be constant of 7), so we need to convey it for non-tags, too.
 %global commit_abbrev 9
@@ -128,7 +128,7 @@
 Name:          pacemaker
 Summary:       Scalable High-Availability cluster resource manager
 Version:       %{pcmkversion}
-Release:       %{pcmk_release}%{?dist}.2
+Release:       %{pcmk_release}%{?dist}
 License:       GPLv2+ and LGPLv2+
 Url:           http://www.clusterlabs.org
 Group:         System Environment/Daemons
@@ -270,11 +270,12 @@ License:       GPLv2+ and LGPLv2+
 Summary:       Pacemaker development package
 Group:         Development/Libraries
 Requires:      %{name}-cts = %{version}-%{release}
-Requires:      %{name}-libs = %{version}-%{release}
-Requires:      %{name}-cluster-libs = %{version}-%{release}
-Requires:      libtool-ltdl-devel libqb-devel libuuid-devel
-Requires:      libxml2-devel libxslt-devel bzip2-devel glib2-devel
-Requires:      corosynclib-devel
+Requires:      %{name}-libs%{?_isa} = %{version}-%{release}
+Requires:      %{name}-cluster-libs%{?_isa} = %{version}-%{release}
+Requires:      libtool-ltdl-devel%{?_isa} libuuid-devel%{?_isa}
+Requires:      libxml2-devel%{?_isa} libxslt-devel%{?_isa}
+Requires:      bzip2-devel%{?_isa} glib2-devel%{?_isa}
+Requires:      libqb-devel%{?_isa} corosynclib-devel%{?_isa}
 
 %description -n %{name}-libs-devel
 Pacemaker is an advanced, scalable High-Availability cluster resource
@@ -693,6 +694,11 @@ exit 0
 %license %{nagios_name}-%{nagios_hash}/COPYING
 
 %changelog
+* Wed Nov 15 2017 Jan Pokorný <jpokorny+rpm-pacemaker@redhat.com> - 1.1.18-1
+- Update for new upstream tarball for release candidate: Pacemaker-1.1.18,
+  for full details, see included ChangeLog file or
+  https://github.com/ClusterLabs/pacemaker/releases/tag/Pacemaker-1.1.18
+
 * Fri Nov 03 2017 Jan Pokorný <jpokorny+rpm-pacemaker@redhat.com> - 1.1.18-0.1.rc4
 - Update for new upstream tarball for release candidate: Pacemaker-1.1.18-rc4,
   for full details, see included ChangeLog file or
diff --git a/sources b/sources
index cf768f7..12ea69c 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (pacemaker-1.1.18-rc4.tar.gz) = c0e7b901d87665571cc8b5471f447f9cd483355ee667bb48691d4686a60af45dbf0f717469acfe568c7bc47316fafa1b46ae5723e9e164dcb9befec5a98a4973
+SHA512 (pacemaker-1.1.18.tar.gz) = 63c287888e5f0bd5f1a2f56450cb3d4da580df2d750ffa90b2212a4efcfa146e05e258a9d87fdcaacde5f8985b9730dae11c5d5ad22e811fd114e1640365c9aa
 SHA512 (nagios-agents-metadata-105ab8a7b2c16b9a29cf1c1596b80136eeef332b.tar.gz) = 11ddeb48a4929e7642b6dfa9c7962aa1d7a1af1c569830f55ed6cd6773abac13377317327bc1db8411c8077884f83f81cc54d746c834b63a99fa6dc219b5caad