diff --git a/lang/go120/Makefile b/lang/go120/Makefile
index ff9d01b13f0f..81c24854142a 100644
--- a/lang/go120/Makefile
+++ b/lang/go120/Makefile
@@ -1,25 +1,28 @@
 DISTVERSION=	1.20.14
 # Always set PORTREVISION explicitly as otherwise they are inherited from lang/go-devel
 PORTREVISION=	5
 MASTER_SITES=	https://golang.org/dl/ \
 		https://github.com/dmgk/go-bootstrap/releases/download/${BOOTSTRAP_TAG}/:bootstrap \
 		LOCAL/dmgk:bootstrap
 DISTFILES=	go${DISTVERSION}.src.tar.gz \
 		go-${OPSYS:tl}-${GOARCH_${ARCH}}${GOARM_${ARCH}}-${BOOTSTRAP_TAG}.tar.xz:bootstrap
 
 # Avoid conflicting patch files
 PATCHFILES=
 
 COMMENT=	Go programming language
 
 BUILD_DEPENDS=
 
 MASTERDIR=	${.CURDIR}/../go-devel
 PATCHDIR=	${.CURDIR}/files
 WRKSRC=		${WRKDIR}/go
 DISTINFO_FILE=	${.CURDIR}/distinfo
 SHEBANG_FILES=	misc/wasm/go_js_wasm_exec \
 		src/net/http/cgi/testdata/test.cgi
 BASH=		${SH}
 
+DEPRECATED=	Old version, unsupported upstream
+EXPIRATION_DATE=2026-01-01
+
 .include "${MASTERDIR}/Makefile"
diff --git a/lang/go121/Makefile b/lang/go121/Makefile
index 44ee79811879..0fabb421f27f 100644
--- a/lang/go121/Makefile
+++ b/lang/go121/Makefile
@@ -1,26 +1,29 @@
 DISTVERSION=	1.21.13
 # Always set PORTREVISION explicitly as otherwise they are inherited from lang/go-devel
 PORTREVISION=	5
 MASTER_SITES=	https://golang.org/dl/ \
 		https://github.com/dmgk/go-bootstrap/releases/download/${BOOTSTRAP_TAG}/:bootstrap \
 		LOCAL/dmgk:bootstrap
 DISTFILES=	go${DISTVERSION}.src.tar.gz \
 		go-${OPSYS:tl}-${GOARCH_${ARCH}}${GOARM_${ARCH}}-${BOOTSTRAP_TAG}.tar.xz:bootstrap
 
 # Avoid conflicting patch files
 PATCHFILES=
 
 COMMENT=	Go programming language
 
 BUILD_DEPENDS=
 
 MASTERDIR=	${.CURDIR}/../go-devel
 PATCHDIR=	${.CURDIR}/files
 WRKSRC=		${WRKDIR}/go
 DISTINFO_FILE=	${.CURDIR}/distinfo
 SHEBANG_FILES=	misc/wasm/go_js_wasm_exec \
 		src/net/http/cgi/testdata/test.cgi
 BASH=		${SH}
 TESTING_UNSAFE=	MemorySanitizer: use-of-uninitialized-value (/tmp/TestMSAN747758340/msan8+0x11efcf) in msanGoLoop
 
+DEPRECATED=	Old version, unsupported upstream
+EXPIRATION_DATE=2026-01-01
+
 .include "${MASTERDIR}/Makefile"
diff --git a/lang/go122/Makefile b/lang/go122/Makefile
index f1dfb934b1c5..bf1a5e636ca8 100644
--- a/lang/go122/Makefile
+++ b/lang/go122/Makefile
@@ -1,20 +1,23 @@
 DISTVERSION=	1.22.12
 # Always set PORTREVISION explicitly as otherwise they are inherited from lang/go-devel
 PORTREVISION=	4
 MASTER_SITES=	https://golang.org/dl/ \
 		https://github.com/dmgk/go-bootstrap/releases/download/${BOOTSTRAP_TAG}/:bootstrap \
 		LOCAL/dmgk:bootstrap
 DISTFILES=	go${DISTVERSION}.src.tar.gz \
 		go-${OPSYS:tl}-${GOARCH_${ARCH}}${GOARM_${ARCH}}-${BOOTSTRAP_TAG}.tar.xz:bootstrap
 
 # Avoid conflicting patch files
 PATCHFILES=
 PATCHDIR=	${.CURDIR}/files
 
 COMMENT=	Go programming language
 
 MASTERDIR=	${.CURDIR}/../go-devel
 WRKSRC=		${WRKDIR}/go
 DISTINFO_FILE=	${.CURDIR}/distinfo
 
+DEPRECATED=	Old version, unsupported upstream
+EXPIRATION_DATE=2026-01-01
+
 .include "${MASTERDIR}/Makefile"
diff --git a/lang/go123/Makefile b/lang/go123/Makefile
index 7e50b6e12ca0..7b149c7e0d19 100644
--- a/lang/go123/Makefile
+++ b/lang/go123/Makefile
@@ -1,20 +1,23 @@
 DISTVERSION=	1.23.12
 # Always set PORTREVISION explicitly as otherwise they are inherited from lang/go-devel
 PORTREVISION=	0
 MASTER_SITES=	https://go.dev/dl/ \
 		https://github.com/dmgk/go-bootstrap/releases/download/${BOOTSTRAP_TAG}/:bootstrap \
 		LOCAL/dmgk:bootstrap
 DISTFILES=	go${DISTVERSION}.src.tar.gz \
 		go-${OPSYS:tl}-${GOARCH_${ARCH}}${GOARM_${ARCH}}-${BOOTSTRAP_TAG}.tar.xz:bootstrap
 
 # Avoid conflicting patch files
 PATCHFILES=
 PATCHDIR=	${.CURDIR}/files
 
 COMMENT=	Go programming language
 
 MASTERDIR=	${.CURDIR}/../go-devel
 WRKSRC=		${WRKDIR}/go
 DISTINFO_FILE=	${.CURDIR}/distinfo
 
+DEPRECATED=	Old version, unsupported upstream
+EXPIRATION_DATE=2026-01-01
+
 .include "${MASTERDIR}/Makefile"