diff --git a/databases/kdb/Makefile b/databases/kdb/Makefile
index 6b2615682be2..b5d6bb93262e 100644
--- a/databases/kdb/Makefile
+++ b/databases/kdb/Makefile
@@ -1,39 +1,42 @@
 PORTNAME=	kdb
 DISTVERSION=	3.2.0
 PORTREVISION=	17
 CATEGORIES=	databases kde
 MASTER_SITES=	KDE/stable/${PORTNAME}/src
 DIST_SUBDIR=	KDE/${PORTNAME}
 
 PATCH_SITES=	https://invent.kde.org/libraries/kdb/-/commit/
 PATCHFILES=	b36d74f13a1421437a725fb74502c993c359392a.diff:-p1
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Database connectivity and creation framework
 WWW=		https://community.kde.org/KDb
 
+DEPRECATED=	Development discontinued, does not support Qt 6
+EXPIRATION_DATE=	2026-12-31
+
 LICENSE=	LGPL20
 LICENSE_FILE=	${WRKSRC}/COPYING.LIB
 
 LIB_DEPENDS=	libicuuc.so:devel/icu
 
 USES=		cmake compiler:c++17-lang kde:5 python qt:5 tar:xz
 USE_KDE=	coreaddons i18n \
 		ecm:build
 USE_QT=		core gui network widgets xml \
 		buildtools:build qmake:build
 
 OPTIONS_DEFINE=		SQLITE MYSQL PGSQL
 OPTIONS_DEFAULT=	${OPTIONS_DEFINE}
 OPTIONS_SUB=		yes
 
 MYSQL_USES=		mysql
 MYSQL_CMAKE_BOOL_OFF=	CMAKE_DISABLE_FIND_PACKAGE_MySQL
 
 PGSQL_USES=		pgsql
 PGSQL_CMAKE_BOOL_OFF=	CMAKE_DISABLE_FIND_PACKAGE_PostgreSQL
 
 SQLITE_USES=		sqlite
 SQLITE_CMAKE_BOOL_OFF=	CMAKE_DISABLE_FIND_PACKAGE_Sqlite
 
 .include <bsd.port.mk>