diff --git a/pcp.changes b/pcp.changes
index 699eaeb..563d36e 100644
--- a/pcp.changes
+++ b/pcp.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Fri Nov 17 15:55:08 UTC 2023 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Only auto-trigger pcp-pmda-postfix for automatic installation
+  when pcp and postfix are present. Supplementing pcp alone would
+  auto-install postfix on all systems.
+- Supplement pcp-pmda-rsyslog against pcp and rsyslog.
+
 -------------------------------------------------------------------
 Tue Aug 30 12:50:27 UTC 2022 - David Disseldorp <ddiss@suse.com>
 
diff --git a/pcp.spec b/pcp.spec
index 8e40cff..1e01365 100644
--- a/pcp.spec
+++ b/pcp.spec
@@ -1514,7 +1514,7 @@ BuildRequires:  postfix
 Requires:       postfix-doc
 BuildRequires:  postfix-doc
 %endif
-Supplements:    pcp
+Supplements:    (pcp and postfix)
 
 %description pmda-postfix
 This package contains the PCP Performance Metrics Domain Agent (PMDA) for
@@ -1532,7 +1532,7 @@ License:        %{license_gplv2plus}
 Group:          %{pcp_gr}
 URL:            https://pcp.io
 Requires:       perl-PCP-PMDA = %{version}-%{release}
-Supplements:    pcp
+Supplements:    (pcp and rsyslog)
 
 %description pmda-rsyslog
 This package contains the PCP Performance Metrics Domain Agent (PMDA) for