Index: head/math/lean/Makefile
===================================================================
--- head/math/lean/Makefile	(revision 568589)
+++ head/math/lean/Makefile	(revision 568590)
@@ -1,33 +1,33 @@
 # $FreeBSD$
 
 PORTNAME=	lean
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.27.0
+DISTVERSION=	3.28.0
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Theorem prover
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/../LICENSE
 
 LIB_DEPENDS=	libgmp.so:math/gmp
 
 USES=		cmake compiler:c++11-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	leanprover-community
 
 WRKSRC_SUBDIR=	src
 
 CMAKE_OFF=	BUILD_TESTING
 
 post-install:
 	@${FIND} ${STAGEDIR}${PREFIX} -type d -empty -delete
 
 do-test:
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DBUILD_TESTING:BOOL=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} test
 
 .include <bsd.port.mk>
Index: head/math/lean/distinfo
===================================================================
--- head/math/lean/distinfo	(revision 568589)
+++ head/math/lean/distinfo	(revision 568590)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1614358220
-SHA256 (leanprover-community-lean-v3.27.0_GH0.tar.gz) = b6e453f44a5a353d7b7ad807ba13f87735ee51c913e2aff1113fc35dfe8dc214
-SIZE (leanprover-community-lean-v3.27.0_GH0.tar.gz) = 1868861
+TIMESTAMP = 1615913985
+SHA256 (leanprover-community-lean-v3.28.0_GH0.tar.gz) = dbd16d919a2b5e1be4ff63667ceb56b24491d8594a2eebe05b7f9b512fc8a528
+SIZE (leanprover-community-lean-v3.28.0_GH0.tar.gz) = 1869924