diff --git a/devel/rgbds/Makefile b/devel/rgbds/Makefile
index 2002e4bf65f9..74a46e04ebb1 100644
--- a/devel/rgbds/Makefile
+++ b/devel/rgbds/Makefile
@@ -1,28 +1,27 @@
 PORTNAME=	rgbds
-DISTVERSION=	0.9.3
-PORTREVISION=	1
+DISTVERSION=	1.0.0-rc1
 CATEGORIES=	devel games
 MASTER_SITES=	https://github.com/gbdev/rgbds/releases/download/v${DISTVERSION}/
 DISTNAME=	${PORTNAME}-source
 DIST_SUBDIR=	${PORTNAME}/${DISTVERSION}
 
 MAINTAINER=	eduardo@FreeBSD.org
 COMMENT=	Free assembler/linker for the Game Boy and Game Boy Color
 WWW=		https://rgbds.gbdev.io/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libpng16.so:graphics/png
 TEST_DEPENDS=	bash>0:shells/bash \
 		git>0:devel/git \
 		xxd>0:sysutils/xxd
 
 USES=		bison cmake:testing pkgconfig shebangfix
 SHEBANG_FILES=	contrib/view_palettes.sh src/bison.sh test/*.sh test/*/*.sh
 
 CMAKE_OFF=	USE_NONFREE_TESTS
 
 WRKSRC=		${WRKDIR}/rgbds
 
 .include <bsd.port.mk>
diff --git a/devel/rgbds/distinfo b/devel/rgbds/distinfo
index 96e48bffbb0f..dce12a7a28bc 100644
--- a/devel/rgbds/distinfo
+++ b/devel/rgbds/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1751489443
-SHA256 (rgbds/0.9.3/rgbds-source.tar.gz) = 87e56678fa2e8ddeec552a9149e4f2983fc1d3f8d2dbc3606d4b434e64d9baa5
-SIZE (rgbds/0.9.3/rgbds-source.tar.gz) = 8107450
+TIMESTAMP = 1756854141
+SHA256 (rgbds/1.0.0-rc1/rgbds-source.tar.gz) = a2696cb48e1742c431612df4096a2ae592c6729d671b3d4efc37d9fe940be8fa
+SIZE (rgbds/1.0.0-rc1/rgbds-source.tar.gz) = 8140731
diff --git a/devel/rgbds/files/patch-test_run-tests.sh b/devel/rgbds/files/patch-test_run-tests.sh
index 82905522ca7f..e1e3b6ca4e5b 100644
--- a/devel/rgbds/files/patch-test_run-tests.sh
+++ b/devel/rgbds/files/patch-test_run-tests.sh
@@ -1,14 +1,14 @@
-Do not run extra tests that require build
-
---- test/run-tests.sh.orig	2025-02-02 21:10:40 UTC
+--- test/run-tests.sh.orig	2025-09-02 23:23:53 UTC
 +++ test/run-tests.sh
-@@ -119,6 +119,6 @@ fi
+@@ -129,11 +129,3 @@ fi
  	test_downstream pret  pokered          compare pokered.gbc     ea9bcae617fdf159b045185467ae58b2e4a48b9a
  	test_downstream zladx LADX-Disassembly default azle.gbc        d90ac17e9bf17b6c61624ad9f05447bdb5efc01a
  fi
--test_downstream AntonioND ucity   all      ucity.gbc d2f4a7db48ee208b1bd69a78bd492a1c9ac4a030
+-test_downstream AntonioND ucity   all      ucity.gbc 5f026649611c9606ce0bf70dc1552e054e7df5bc
 -test_downstream pinobatch libbet  all      libbet.gb f117089aa056600e2d404bbcbac96b016fc64611
 -test_downstream LIJI32    SameBoy bootroms build/bin/BootROMs/cgb_boot.bin 113903775a9d34b798c2f8076672da6626815a91
-+#test_downstream AntonioND ucity   all      ucity.gbc d2f4a7db48ee208b1bd69a78bd492a1c9ac4a030
-+#test_downstream pinobatch libbet  all      libbet.gb f117089aa056600e2d404bbcbac96b016fc64611
-+#test_downstream LIJI32    SameBoy bootroms build/bin/BootROMs/cgb_boot.bin 113903775a9d34b798c2f8076672da6626815a91
+-# gb-starter kit make fails on Windows: https://github.com/ISSOtm/gb-starter-kit/issues/1
+-# gb-starter-kit fails with macOS/BSD make: https://github.com/ISSOtm/gb-starter-kit/issues/29
+-if [[ "${osname%-*}" != "windows" && "${osname%-*}" != "macos" && "${osname%-*}" != "bsd" ]]; then
+-	test_downstream ISSOtm gb-starter-kit all bin/boilerplate.gb b4f130169ba73284e0d0e71b53e7baa4eca2f7fe
+-fi