diff --git a/emulators/dps8m/Makefile b/emulators/dps8m/Makefile
index 748efbfd4bd4..59c203adf4e2 100644
--- a/emulators/dps8m/Makefile
+++ b/emulators/dps8m/Makefile
@@ -1,41 +1,40 @@
 PORTNAME=	dps8m
 DISTVERSIONPREFIX=	R
-DISTVERSION=	3.0.1
-PORTREVISION=	1
+DISTVERSION=	3.1.0
 CATEGORIES=	emulators
 
 MAINTAINER=	gspurki@gmail.com
 COMMENT=	SIMH based simulator for the Honeywell h6180/dps8m Multics processor
 WWW=		https://dps8m.gitlab.io/dps8m
 
 LICENSE=	ICU
 LICENSE_NAME=	ICU license
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 ONLY_FOR_ARCHS=	aarch64 amd64 powerpc64 powerpc64le riscv64
 ONLY_FOR_ARCHS_REASON=	__uint128_t is only implemented on 64-bit platforms
 
 LIB_DEPENDS=	libuv.so:devel/libuv
 
 USES=		gmake
 USE_GITLAB=	yes
 
 CFLAGS_powerpc64=	-Datomic_testandset_64=atomic_testandset_long
 CFLAGS_powerpc64le=	-Datomic_testandset_64=atomic_testandset_long
 CFLAGS_riscv64=		-Datomic_testandset_64=atomic_testandset_long
 
 MAKEFILE=	GNUmakefile
 
 PLIST_FILES=	bin/dps8 \
 		bin/prt2pdf \
 		bin/punutil
 
 MAKE_ARGS=	V=1 NO_LTO=1
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/src/dps8/dps8 ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_PROGRAM} ${WRKSRC}/src/prt2pdf/prt2pdf ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_PROGRAM} ${WRKSRC}/src/punutil/punutil ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>
diff --git a/emulators/dps8m/distinfo b/emulators/dps8m/distinfo
index 3385ea725cbb..1da2f3f4a6e5 100644
--- a/emulators/dps8m/distinfo
+++ b/emulators/dps8m/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1691794269
-SHA256 (dps8m-R3.0.1.tar.bz2) = 583b2e333f094d5e2a5139c832d5aa907455be34edf61560590ac27398208147
-SIZE (dps8m-R3.0.1.tar.bz2) = 13052895
+TIMESTAMP = 1748948393
+SHA256 (dps8m-R3.1.0.tar.bz2) = ec9dd499eb5a32be717d7ad3f8a8e34f12ff5a66a44aa1ebb4bf6cf17ad3b88c
+SIZE (dps8m-R3.1.0.tar.bz2) = 15635134
diff --git a/emulators/dps8m/files/patch-src_Makefile.mk b/emulators/dps8m/files/patch-src_Makefile.mk
deleted file mode 100644
index be9c3e886588..000000000000
--- a/emulators/dps8m/files/patch-src_Makefile.mk
+++ /dev/null
@@ -1,11 +0,0 @@
---- src/Makefile.mk.orig	2023-08-13 10:22:22 UTC
-+++ src/Makefile.mk
-@@ -294,7 +294,7 @@ endif
- 
- _DEBUGOPTFLAG := -g
- ifndef TESTING
--  OPTFLAGS = -O3 $(_DEBUGOPTFLAG) -U_FORTIFY_SOURCE -fno-stack-protector
-+# OPTFLAGS = -O3 $(_DEBUGOPTFLAG) -U_FORTIFY_SOURCE -fno-stack-protector
-   ifdef DUMA
-     CFLAGS   += -I../dps8 -I. -include dps8_duma.h
-     OPTFLAGS += -DDUMA=1