diff --git a/math/gecode/Makefile b/math/gecode/Makefile
index 9c0a79998508..7d41d89cd100 100644
--- a/math/gecode/Makefile
+++ b/math/gecode/Makefile
@@ -1,75 +1,75 @@
 # Created by: Peter Pentchev <roam@FreeBSD.org>
 
 PORTNAME=	gecode
 DISTVERSIONPREFIX=	release-
 DISTVERSION=	6.3.0
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Generic Constraint Development Environment
 
 LICENSE=	BSL MIT
 LICENSE_COMB=	multi
 
 NOT_FOR_ARCHS=		aarch64 armv6 armv7 mips mips64
 NOT_FOR_ARCHS_REASON=	needs code written to specify rounding control mechanism in Boost.Numeric.Interval
 
 USES=		bison:alias compiler:c++11-lang gmake perl5
 USE_PERL5=	build
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-examples
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Gecode
-GH_TAGNAME=	ad52315 # 6.3.0 branch is ready for a long time, but hasn't been tagged yet
+GH_TAGNAME=	0916a1a # 6.3.0 branch is ready for a long time, but hasn't been tagged yet
 
 DATADIR=	${PREFIX}/share/minizinc/gecode # it only installs the MiniZinc library into DATADIR
 
 OPTIONS_DEFINE=		AUDIT CBS FLATZINC GIST PEAKHEAP PROFILE SEARCH
 OPTIONS_DEFAULT=	CBS FLATZINC SEARCH
 OPTIONS_SUB=		yes
 
 AUDIT_DESC=			Build with auditing code
 AUDIT_CONFIGURE_ENABLE=		audit
 
 CBS_DESC=			Support for counting-based search
 CBS_CONFIGURE_ENABLE=		cbs
 
 FLATZINC_DESC=			Build FlatZinc interpreter
 FLATZINC_CONFIGURE_ENABLE=	flatzinc
 
 GIST_DESC=			Enable gist, graphical and interactive search tool
 GIST_CONFIGURE_ENABLE=		gist qt
 GIST_USES=			gl qt:5
 GIST_USE=			gl=gl qt=core,gui,printsupport,widgets,qmake_build,buildtools_build
 
 PEAKHEAP_DESC=			Peak heap size tracking
 PEAKHEAP_CONFIGURE_ENABLE=	peakheap
 
 PROFILE_DESC=			Build with profiling information
 PROFILE_CONFIGURE_ENABLE=	profile
 
 SEARCH_DESC=			Build search engines
 SEARCH_CONFIGURE_ENABLE=	search
 
 TEST_TARGET=	check
 
 post-install:
 	${STRIP_CMD} \
 		${STAGEDIR}${PREFIX}/lib/lib*.so.*.*
 
 post-install-FLATZINC-on:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/fzn-gecode
 
 post-install-FLATZINC-off: # https://github.com/Gecode/gecode/issues/108
 	@cd ${STAGEDIR}${PREFIX} && ${RMDIR} share/minizinc/gecode share/minizinc/solvers share/minizinc
 
 test-extended: stage # breaks, see https://github.com/Gecode/gecode/issues/109
 	@cd ${WRKSRC} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} test && \
 		LD_LIBRARY_PATH=${STAGEDIR}${PREFIX}/lib ./test/test -test -Float
 
 .include <bsd.port.mk>
diff --git a/math/gecode/distinfo b/math/gecode/distinfo
index c429a6f6d278..a2f2e48fb60a 100644
--- a/math/gecode/distinfo
+++ b/math/gecode/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1621190316
-SHA256 (Gecode-gecode-release-6.3.0-ad52315_GH0.tar.gz) = 9877c4733f541cb3927f989fd964146cda65fedd03b74c5eac1555322936aaca
-SIZE (Gecode-gecode-release-6.3.0-ad52315_GH0.tar.gz) = 5727084
+TIMESTAMP = 1621712428
+SHA256 (Gecode-gecode-release-6.3.0-0916a1a_GH0.tar.gz) = aa70f416acfee470b92ef08bc435a469ed2d3828c532797521bf5e249786ec6c
+SIZE (Gecode-gecode-release-6.3.0-0916a1a_GH0.tar.gz) = 5727356