diff --git a/pacemaker.spec b/pacemaker.spec
index a6800fc..bf413b5 100644
--- a/pacemaker.spec
+++ b/pacemaker.spec
@@ -25,11 +25,11 @@
 ## can be incremented to build packages reliably considered "newer"
 ## than previously built packages with the same pcmkversion)
 %global pcmkversion 2.1.0
-%global specversion 3
+%global specversion 4
 
 ## Upstream commit (or git tag, such as "Pacemaker-" plus the
 ## {pcmkversion} macro for an official release) to use for this package
-%global commit Pacemaker-2.1.0-rc2
+%global commit Pacemaker-2.1.0-rc3
 ## 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
@@ -165,7 +165,7 @@
 Name:          pacemaker
 Summary:       Scalable High-Availability cluster resource manager
 Version:       %{pcmkversion}
-Release:       %{pcmk_release}%{?dist}.1
+Release:       %{pcmk_release}%{?dist}
 License:       GPLv2+ and LGPLv2+
 Url:           https://www.clusterlabs.org
 
@@ -742,6 +742,11 @@ exit 0
 %license %{nagios_name}-%{nagios_hash}/COPYING
 
 %changelog
+* Mon Jun 07 2021 Klaus Wenninger <kwenning@redhat.com> - 2.1.0-0.4.rc3
+- Update for new upstream tarball for release candidate: Pacemaker-2.1.0-rc3,
+  for full details, see included ChangeLog file or
+  https://github.com/ClusterLabs/pacemaker/releases/tag/Pacemaker-2.1.0-rc3
+
 * Fri Jun 04 2021 Python Maint <python-maint@redhat.com> - 2.1.0-0.3.rc2.1
 - Rebuilt for Python 3.10
 
diff --git a/sources b/sources
index 76e3c9a..af5cd77 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
 SHA512 (nagios-agents-metadata-105ab8a7b2c16b9a29cf1c1596b80136eeef332b.tar.gz) = 11ddeb48a4929e7642b6dfa9c7962aa1d7a1af1c569830f55ed6cd6773abac13377317327bc1db8411c8077884f83f81cc54d746c834b63a99fa6dc219b5caad
-SHA512 (pacemaker-Pacemaker-2.1.0-rc2.tar.gz) = 01396cd23b0cb49cab40b870e227b132f1e0c9b94cf6ac29d58e61bd3ff4ee4ea95fa6509c9a4a09179284b8fdbdba8319ceb46e8f94ce9cea92cf13832f9f4d
+SHA512 (pacemaker-Pacemaker-2.1.0-rc3.tar.gz) = eb17566e079d313394dab509b055e326b642508844d974a21cde62509a3a526e44977a57c65f80d5094f085fec8ad92eda0deed4f4dfd32ecf0c3b80722e5504