diff --git a/sdk_container/src/third_party/portage-stable/eclass/strip-linguas.eclass b/sdk_container/src/third_party/portage-stable/eclass/strip-linguas.eclass
index 355bdcc6cd..af8fc51150 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/strip-linguas.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/strip-linguas.eclass
@@ -1,4 +1,4 @@
-# Copyright 2004-2024 Gentoo Authors
+# Copyright 2004-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: strip-linguas.eclass
@@ -6,18 +6,18 @@
 # Ulrich Müller <ulm@gentoo.org>
 # @AUTHOR:
 # Mike Frysinger <vapier@gentoo.org>
-# @SUPPORTED_EAPIS: 7 8
+# @SUPPORTED_EAPIS: 7 8 9
 # @BLURB: convenience function for LINGUAS support
 
 if [[ -z ${_STRIP_LINGUAS_ECLASS} ]]; then
 _STRIP_LINGUAS_ECLASS=1
 
 case ${EAPI} in
-	7|8) ;;
+	7|8|9) ;;
 	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
 esac
 
-# FUNCTION: strip-linguas
+# @FUNCTION: strip-linguas
 # @USAGE: [<allow LINGUAS>|<-i|-u> <directories of .po files>]
 # @DESCRIPTION:
 # Make sure that LINGUAS only contains languages that a package can