diff --git a/sdk_container/src/third_party/portage-stable/eclass/tmpfiles.eclass b/sdk_container/src/third_party/portage-stable/eclass/tmpfiles.eclass
index 39650401a6..63889a275f 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/tmpfiles.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/tmpfiles.eclass
@@ -1,4 +1,4 @@
-# Copyright 2016-2022 Gentoo Authors
+# Copyright 2016-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: tmpfiles.eclass
@@ -55,9 +55,13 @@
 if [[ -z ${_TMPFILES_ECLASS} ]]; then
 _TMPFILES_ECLASS=1
 
-case "${EAPI}" in
-5|6|7|8) ;;
-*) die "API is undefined for EAPI ${EAPI}" ;;
+case ${EAPI} in
+	5|6)
+		ewarn "${CATEGORY}/${PF}: ebuild uses ${ECLASS} with deprecated EAPI ${EAPI}!"
+		ewarn "${CATEGORY}/${PF}: Support will be removed on 2024-10-08. Please port to newer EAPI."
+		;;
+	7|8) ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
 esac
 
 # @ECLASS_VARIABLE: TMPFILES_OPTIONAL