diff --git a/devel/mdb/Makefile b/devel/mdb/Makefile
index b8fd95a10a79..3db8e0966c72 100644
--- a/devel/mdb/Makefile
+++ b/devel/mdb/Makefile
@@ -1,37 +1,37 @@
 PORTNAME=	mdb
-PORTVERSION=	20240828
+PORTVERSION=	20250623
 CATEGORIES=	devel
 
 MAINTAINER=	jhb@FreeBSD.org
 COMMENT=	Solaris Modular Debugger
 WWW=		https://docs.oracle.com/cd/E19683-01/806-6545/index.html
 
 LICENSE=	CDDL
 
 USES=		compiler uidfix
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	bsdjhb
 GH_PROJECT=	illumos-gate
-GH_TAGNAME=	9cf028ae25
+GH_TAGNAME=	612cd42
 
 ONLY_FOR_ARCHS=	amd64
 
 MAKE_ARGS=	WITH_CTF=yes
 MAKE_ARGS+=	BINDIR=${PREFIX}/bin
 MAKE_ARGS+=	LIBDIR=${PREFIX}/lib
 MAKE_ARGS+=	FREEBSD_SRC_DIR=${SRC_BASE}
 MAKE_ARGS+=	STRIP=
 WRKSRC_SUBDIR=	freebsd/cddl/usr.bin/mdb
 CFLAGS+=	-DMDB_PREFIX=\\\"${PREFIX}\\\" -g
 
 .include <bsd.port.pre.mk>
 
 .if !exists(${SRC_BASE}/cddl/compat) || !exists(${SRC_BASE}/sys/cddl/compat)
 IGNORE=		requires full source tree with CDDL sources
 .endif
 
 pre-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/lib/mdb/kvm/${MACHINE_ARCH}
 
 .include <bsd.port.post.mk>
diff --git a/devel/mdb/distinfo b/devel/mdb/distinfo
index 1ce690c4c08b..187697bc6725 100644
--- a/devel/mdb/distinfo
+++ b/devel/mdb/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1724892064
-SHA256 (bsdjhb-illumos-gate-20240828-9cf028ae25_GH0.tar.gz) = 2abf343f8652024cd9df84ca9b6091aa27dd747cd370946c422fbd3913f9ad3c
-SIZE (bsdjhb-illumos-gate-20240828-9cf028ae25_GH0.tar.gz) = 115106419
+TIMESTAMP = 1751058568
+SHA256 (bsdjhb-illumos-gate-20250623-612cd42_GH0.tar.gz) = 60df972b6a6313e616705e2f0c1811d159a15bb8e5bd12512838f0d36c926785
+SIZE (bsdjhb-illumos-gate-20250623-612cd42_GH0.tar.gz) = 115103412