diff --git a/sys-process/cronie/cronie-1.5.0-r1.ebuild b/sys-process/cronie/cronie-1.5.0-r1.ebuild
index 2bc6434d1e5d0..77e51d82e9410 100644
--- a/sys-process/cronie/cronie-1.5.0-r1.ebuild
+++ b/sys-process/cronie/cronie-1.5.0-r1.ebuild
@@ -82,4 +82,10 @@ src_install() {
 
 pkg_postinst() {
 	cron_pkg_postinst
+
+	if [[ -n "${REPLACING_VERSIONS}" ]] ; then
+		ewarn "You should restart ${PN} daemon or else you might experience segfaults"
+		ewarn "or ${PN} not working reliably anymore."
+		einfo "(see https://bugs.gentoo.org/557406 for details.)"
+	fi
 }
diff --git a/sys-process/cronie/cronie-1.5.0.ebuild b/sys-process/cronie/cronie-1.5.0.ebuild
index f4af12a5b3858..debcc4af5faee 100644
--- a/sys-process/cronie/cronie-1.5.0.ebuild
+++ b/sys-process/cronie/cronie-1.5.0.ebuild
@@ -82,4 +82,10 @@ src_install() {
 
 pkg_postinst() {
 	cron_pkg_postinst
+
+	if [[ -n "${REPLACING_VERSIONS}" ]] ; then
+		ewarn "You should restart ${PN} daemon or else you might experience segfaults"
+		ewarn "or ${PN} not working reliably anymore."
+		einfo "(see https://bugs.gentoo.org/557406 for details.)"
+	fi
 }