diff --git a/math/aribas/Makefile b/math/aribas/Makefile
index 45108acf918f..5acbc0399b3a 100644
--- a/math/aribas/Makefile
+++ b/math/aribas/Makefile
@@ -1,36 +1,45 @@
 PORTNAME=	aribas
-PORTVERSION=	1.64
-PORTREVISION=	1
+PORTVERSION=	1.65b
 CATEGORIES=	math
-MASTER_SITES=	https://www.mathematik.uni-muenchen.de/~forster/sw/UNIX_LINUX/ \
-		http://bsd-geek.de/FreeBSD/distfiles/
+MASTER_SITES=	https://www.mathematik.uni-muenchen.de/~forster/sw/UNIX_LINUX/
+DISTNAME=	${PORTNAME}${PORTVERSION:S/.//}
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	mce@FreeBSD.org
 COMMENT=	Interpreter for big integer/multi-precision floating point arithmetic
 WWW=		https://www.mathematik.uni-muenchen.de/~forster/sw/aribas.html
 
+LICENSE=	GPLv2
+LICENSE_FILE=	${WRKSRC}/gnugpl.txt
+
+USES=		tar:tgz
+
 BUILD_WRKSRC=	${WRKSRC}/src
 
 PLIST_FILES=	bin/aribas \
+		share/emacs/site-lisp/aribas.el \
 		share/man/man1/aribas.1.gz
-PORTDOCS=	README aribas.doc aribas.man aribas.tut
+PORTDOCS=	EL-README README aribas.man aridoc.txt aritut.txt
 PORTEXAMPLES=	README factor.ari pi.ari queens.ari
 
 OPTIONS_DEFINE=	DOCS EXAMPLES
 
-post-patch:
-	@${REINPLACE_CMD} -e '/^CC/d;' \
-	       -e '/^CFLAGS/{s/=/+=/;s/-O -v//;}' \
-		-e 's/CC) -o/CC) $$(CFLAGS) -o/' ${BUILD_WRKSRC}/Makefile
+ELISPDIR=	share/emacs/site-lisp
 
 do-install:
 	${INSTALL_PROGRAM} ${BUILD_WRKSRC}/aribas ${STAGEDIR}${PREFIX}/bin/
+	@${MKDIR} ${STAGEDIR}${PREFIX}/${ELISPDIR}
+	${INSTALL_DATA} ${WRKSRC}/EL/aribas.el ${STAGEDIR}${PREFIX}/${ELISPDIR}
 	${INSTALL_MAN} ${WRKSRC}/doc/${PORTNAME}.1 \
 		${STAGEDIR}${PREFIX}/share/man/man1/
+
+post-install-DOCS-on:
+	@${CP} ${WRKSRC}/EL/README ${WRKSRC}/doc/EL-README
+	@${MKDIR} ${STAGEDIR}${DOCSDIR}
+	${INSTALL_DATA} ${PORTDOCS:S|^|${WRKSRC}/doc/|} ${STAGEDIR}${DOCSDIR}
+
+post-install-EXAMPLES-on:
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	${INSTALL_DATA} ${PORTEXAMPLES:S|^|${WRKSRC}/examples/|} \
 		${STAGEDIR}${EXAMPLESDIR}
-	@${MKDIR} ${STAGEDIR}${DOCSDIR}
-	${INSTALL_DATA} ${PORTDOCS:S|^|${WRKSRC}/doc/|} ${STAGEDIR}${DOCSDIR}/
 
 .include <bsd.port.mk>
diff --git a/math/aribas/distinfo b/math/aribas/distinfo
index 0baab2d8c80a..d9c1cf53babd 100644
--- a/math/aribas/distinfo
+++ b/math/aribas/distinfo
@@ -1,2 +1,3 @@
-SHA256 (aribas-1.64.tar.gz) = 11b2a934774088e2c66a9d9397806dbb8d33f0da48d6c800a492c2a43c258169
-SIZE (aribas-1.64.tar.gz) = 293285
+TIMESTAMP = 1788851005
+SHA256 (aribas165b.tgz) = 9f93c2e31a69556a66bd29dba642369c5188e3bf908babbd339d3c342b7925da
+SIZE (aribas165b.tgz) = 320480
diff --git a/math/aribas/files/patch-src_Makefile b/math/aribas/files/patch-src_Makefile
new file mode 100644
index 000000000000..f433b8918e1b
--- /dev/null
+++ b/math/aribas/files/patch-src_Makefile
@@ -0,0 +1,21 @@
+--- src/Makefile.orig	2024-08-19 07:18:00 UTC
++++ src/Makefile
+@@ -11,8 +11,7 @@
+ # to use gcc. Then outcomment the first two lines and activate 
+ # the next two lines.
+ 
+-CC = gcc
+-CFLAGS = -DUNiX -DPROTO -O -v
++CFLAGS += -DUNiX -DPROTO 
+ 
+ MEMFLAG1 = -DMEM=16
+ # MEM may be set to any integer value from 1 to 32.
+@@ -47,7 +46,7 @@ $(PROGRAM): $(OBJECTS)
+ 	$(CC) $(CFLAGS) $(MEMFLAG) -c alloc.c
+ 
+ $(PROGRAM): $(OBJECTS)
+-	$(CC) -o $(PROGRAM) $(OBJECTS)
++	$(CC) $(CFLAGS) -o $(PROGRAM) $(OBJECTS)
+ 	strip $(PROGRAM)
+ clean:
+ 	\rm *.o