diff --git a/java/openjdk18/Makefile b/java/openjdk18/Makefile
--- a/java/openjdk18/Makefile
+++ b/java/openjdk18/Makefile
@@ -11,6 +11,8 @@
 
 LICENSE=	GPLv2
 
+DEPRECATED=	No longer supported by upstream.
+
 ONLY_FOR_ARCHS=	aarch64 amd64 i386 powerpc64 powerpc64le
 
 BUILD_DEPENDS=	zip:archivers/zip \
diff --git a/java/openjdk19/Makefile b/java/openjdk19/Makefile
--- a/java/openjdk19/Makefile
+++ b/java/openjdk19/Makefile
@@ -11,6 +11,8 @@
 
 LICENSE=	GPLv2
 
+DEPRECATED=	No longer supported by upstream.
+
 ONLY_FOR_ARCHS=	aarch64 amd64 i386 powerpc64 powerpc64le
 
 BUILD_DEPENDS=	zip:archivers/zip \
diff --git a/java/openjdk20/Makefile b/java/openjdk20/Makefile
--- a/java/openjdk20/Makefile
+++ b/java/openjdk20/Makefile
@@ -11,6 +11,8 @@
 
 LICENSE=	GPLv2
 
+DEPRECATED=	No longer supported by upstream.
+
 ONLY_FOR_ARCHS=	aarch64 amd64 i386 powerpc64 powerpc64le
 
 BUILD_DEPENDS=	zip:archivers/zip \
diff --git a/java/openjdk22/Makefile b/java/openjdk22/Makefile
--- a/java/openjdk22/Makefile
+++ b/java/openjdk22/Makefile
@@ -11,6 +11,8 @@
 
 LICENSE=	GPLv2
 
+DEPRECATED=	No longer supported by upstream.
+
 ONLY_FOR_ARCHS=	aarch64 amd64 i386 powerpc64 powerpc64le
 
 BUILD_DEPENDS=	zip:archivers/zip \
diff --git a/java/openjdk23/Makefile b/java/openjdk23/Makefile
--- a/java/openjdk23/Makefile
+++ b/java/openjdk23/Makefile
@@ -10,6 +10,8 @@
 
 LICENSE=	GPLv2
 
+DEPRECATED=	No longer supported by upstream.
+
 ONLY_FOR_ARCHS=	aarch64 amd64 i386 powerpc64 powerpc64le
 
 # On FreeBSD 14 and 15 the i386 build fails with a segfault in java during the
diff --git a/java/openjdk24/Makefile b/java/openjdk24/Makefile
--- a/java/openjdk24/Makefile
+++ b/java/openjdk24/Makefile
@@ -11,6 +11,8 @@
 
 LICENSE=	GPLv2
 
+DEPRECATED=	No longer supported by upstream.
+
 # i386 is deprecated, and will be removed in the next JDK
 ONLY_FOR_ARCHS=	aarch64 amd64 powerpc64 powerpc64le