diff --git a/math/gravity/Makefile b/math/gravity/Makefile
index 53256a0466a1..fc2399e4c066 100644
--- a/math/gravity/Makefile
+++ b/math/gravity/Makefile
@@ -1,45 +1,44 @@
 PORTNAME=	gravity
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.1.20210512
-PORTREVISION=	1
+DISTVERSION=	1.1.20210825
 CATEGORIES=	math
 PKGNAMEPREFIX=	coin-or-
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Mathematical modeling for optimization and machine learning
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${LOCALBASE}/include/boost/graph/adjacency_list.hpp:devel/boost-libs \
 		gcc${GCC_DEFAULT}>0:lang/gcc${GCC_DEFAULT} # not sure why does it need gcc, maybe for libquadmath.so
 LIB_DEPENDS=	libblas.so:math/blas \
 		libCbc.so:math/cbc \
 		libCgl.so:math/cgl \
 		libClp.so:math/clp \
 		libcoinasl.so:math/asl \
-		libCoinUtils.so:math/coinutils \
-		libipopt.so:math/ipopt \
 		liblapack.so:math/lapack \
 		libopenblas.so:math/openblas
 RUN_DEPENDS=	gcc${GCC_DEFAULT}>0:lang/gcc${GCC_DEFAULT}
 
 USES=		cmake compiler:c++11-lang eigen:3 localbase:ldflags pkgconfig
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	coin-or
 GH_PROJECT=	Gravity
-GH_TAGNAME=	da941e9
+GH_TAGNAME=	e500e78
 
 CMAKE_ARGS+=	-DIPOPT_ROOT_DIR=${LOCALBASE}
-CMAKE_ON=	Boost Ipopt
+CMAKE_ON=	Boost
+CMAKE_OFF=	MP
+CMAKE_OFF+=	Ipopt CoinUtils # fails to find Ipopt and CoinUtils for some reason
 
 LDFLAGS+=	-L${LOCALBASE}/lib/gcc${GCC_DEFAULT}
 
 do-test:
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DBUILD_EXAMPLES:BOOL=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		${WRKSRC}/bin/Release/gravity_test
 
 .include <bsd.port.mk>
diff --git a/math/gravity/distinfo b/math/gravity/distinfo
index 3cc7461b3f6f..f14b8f43c1b2 100644
--- a/math/gravity/distinfo
+++ b/math/gravity/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1620857771
-SHA256 (coin-or-Gravity-v1.1.20210512-da941e9_GH0.tar.gz) = 24937c346457a8367f2572238e52d7d0b1ecf9da6152e9f872c37c16c8a438f0
-SIZE (coin-or-Gravity-v1.1.20210512-da941e9_GH0.tar.gz) = 16886742
+TIMESTAMP = 1645717844
+SHA256 (coin-or-Gravity-v1.1.20210825-e500e78_GH0.tar.gz) = 89a6166d1f0a1ae407e9027f4032b9d054c14ea793a396529ca2a32ae6ce8419
+SIZE (coin-or-Gravity-v1.1.20210825-e500e78_GH0.tar.gz) = 16886810