diff --git a/misc/mbuffer/Makefile b/misc/mbuffer/Makefile
index 6eee2ea62c8b..05f3ef961995 100644
--- a/misc/mbuffer/Makefile
+++ b/misc/mbuffer/Makefile
@@ -1,44 +1,44 @@
 PORTNAME=	mbuffer
-PORTVERSION=	20250429
+DISTVERSION=	20250809
 CATEGORIES=	misc
-MASTER_SITES=	http://www.maier-komor.de/software/mbuffer/
+MASTER_SITES=	https://www.maier-komor.de/software/mbuffer/
 
 MAINTAINER=	loader@FreeBSD.org
 COMMENT=	Tool for buffering data streams
 WWW=		https://www.maier-komor.de/mbuffer.html
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 TEST_DEPENDS=	gtar:archivers/gtar
 
-USES=		localbase ssl tar:tgz autoreconf gmake
+USES=		autoreconf gmake localbase ssl tar:tgz
 
 GNU_CONFIGURE=	yes
-GNU_CONFIGURE_MANPREFIX=	${PREFIX}/share
 
 # for --ignore-failed-read
 TEST_ARGS=	TAR=gtar
 TEST_TARGET=	check
 
 OPTIONS_DEFINE=		GCRYPT MHASH RHASH
 OPTIONS_DEFAULT=	MHASH
 
 GCRYPT_DESC=	Use gcrypt for hash generation
 MHASH_DESC=	Use mhash for hash generation
 RHASH_DESC=	Use rhash for hash generation
 
 GCRYPT_RUN_DEPENDS=	libgcrypt>=1.8.4_1:security/libgcrypt
 MHASH_RUN_DEPENDS=	mhash>=0.9.9.9_5:security/mhash
 RHASH_RUN_DEPENDS=	rhash>=1.3.5:security/rhash
 
 post-patch:
-	${REINPLACE_CMD} \
-		-e 's@bash@sh@' ${WRKSRC}/Makefile.in
+	${REINPLACE_CMD} -e 's@bash@sh@' \
+		${WRKSRC}/Makefile.in \
+		${WRKSRC}/mkversion.sh
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/mbuffer
 	${MV} ${STAGEDIR}${PREFIX}/etc/mbuffer.rc \
 		${STAGEDIR}${PREFIX}/etc/mbuffer.rc.sample
 
 .include <bsd.port.mk>
diff --git a/misc/mbuffer/distinfo b/misc/mbuffer/distinfo
index 38da49453f6a..4680263d8726 100644
--- a/misc/mbuffer/distinfo
+++ b/misc/mbuffer/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1748498592
-SHA256 (mbuffer-20250429.tgz) = a853ef720d5fc3ef47c1788f9657477b76d70ab0c9b8a7d96e995e31e3536bbf
-SIZE (mbuffer-20250429.tgz) = 152402
+TIMESTAMP = 1759142518
+SHA256 (mbuffer-20250809.tgz) = 9865dae42452437a19ae448467810a03aa46d4f25e29995eb6d6d4f39c67cd1e
+SIZE (mbuffer-20250809.tgz) = 152664