diff --git a/games/dxx-rebirth/Makefile b/games/dxx-rebirth/Makefile
index b04a1a88f7a0..168e44877235 100644
--- a/games/dxx-rebirth/Makefile
+++ b/games/dxx-rebirth/Makefile
@@ -1,38 +1,41 @@
 # Created by: Piotr Kubaj <pkubaj@anongoth.pl>
 
 PORTNAME=	dxx-rebirth
-PORTVERSION=	20210721
+PORTVERSION=	20210821
 DISTVERSIONSUFFIX=	-src
 CATEGORIES=	games
 MASTER_SITES=	https://www.dxx-rebirth.com/download/dxx/rebirth/
 DISTNAME=	${PORTNAME}_${PORTVERSION}${DISTVERSIONSUFFIX}
 
+PATCH_SITES=	https://github.com/${PORTNAME}/${PORTNAME}/commit/
+PATCHFILES=	2c3a258d17407ea4a94b791c3d6a07a930a8d283.patch:-p1
+
 MAINTAINER=	pkubaj@FreeBSD.org
 COMMENT=	Open source port of Descent and Descent 2
 
 LICENSE=	GPLv3 PARALLAX
 LICENSE_COMB=	multi
 LICENSE_NAME_PARALLAX=	original Parallax license
 LICENSE_FILE_GPLv3=	${WRKSRC}/GPL-3.txt
 LICENSE_FILE_PARALLAX=	${WRKSRC}/COPYING.txt
 LICENSE_PERMS_PARALLAX=	dist-mirror pkg-mirror auto-accept
 
 BUILD_DEPENDS=	as:devel/binutils
 LIB_DEPENDS=	libphysfs.so:devel/physfs \
 		libpng.so:graphics/png
 
 USES=		compiler:c++17-lang gl localbase:ldflags pkgconfig scons sdl \
 		tar:xz
 USE_GL=		gl glu
 USE_SDL=	image2 mixer2 sdl2
 
 MAKE_ARGS=	ignore_unknown_variables=1 sdl2=1
 
 PLIST_FILES=	bin/d1x-rebirth \
 		bin/d2x-rebirth
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/d1x-rebirth \
 		${STAGEDIR}${PREFIX}/bin/d2x-rebirth
 
 .include <bsd.port.mk>
diff --git a/games/dxx-rebirth/distinfo b/games/dxx-rebirth/distinfo
index bdbf39d4f823..e05a9debcb3c 100644
--- a/games/dxx-rebirth/distinfo
+++ b/games/dxx-rebirth/distinfo
@@ -1,3 +1,5 @@
-TIMESTAMP = 1627430775
-SHA256 (dxx-rebirth_20210721-src.tar.xz) = 3b7828f9b73a1ff1f2cf0dca431776e08d0f97d8cf46a8575f4d32fb10fe63cc
-SIZE (dxx-rebirth_20210721-src.tar.xz) = 1342756
+TIMESTAMP = 1629980724
+SHA256 (dxx-rebirth_20210821-src.tar.xz) = 335ef6b63faf9faa195b92f25f4652ce74aa0260bc8e6db6f14a3c81a970bc14
+SIZE (dxx-rebirth_20210821-src.tar.xz) = 1343020
+SHA256 (2c3a258d17407ea4a94b791c3d6a07a930a8d283.patch) = 31fd7e38e841ba8f7b20ea2273ac6b461c91c66f885fa85ef7afd56e8d95bc39
+SIZE (2c3a258d17407ea4a94b791c3d6a07a930a8d283.patch) = 945