diff --git a/math/jags/Makefile b/math/jags/Makefile
index f1059da8597e..614061b5bf71 100644
--- a/math/jags/Makefile
+++ b/math/jags/Makefile
@@ -1,89 +1,88 @@
 # Created by: Eric van Gyzen <vangyzen@stat.duke.edu>
 
 PORTNAME=	mcmc-jags
-DISTVERSION=	4.3.0
-PORTREVISION=	7
+DISTVERSION=	4.3.1
 CATEGORIES=	math
 MASTER_SITES=	SF/mcmc-jags/JAGS/${S}.x/Source/:1 \
 		SF/mcmc-jags/Examples/${S}.x/:2 \
 		SF/mcmc-jags/Manuals/2.x/:3 \
 		SF/mcmc-jags/Manuals/${S}.x/:4
 DISTFILES=	JAGS-${PORTVERSION}${EXTRACT_SUFX}:1
 DIST_SUBDIR=	${PORTNAME}
 EXTRACT_ONLY=	${DISTFILES:M*[12]:C|:.*||}
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Just Another Gibbs Sampler
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libltdl.so:devel/libltdl
 
 GNU_CONFIGURE=	yes
 USES=		bison compiler:features fortran gmake libtool localbase pathfix
 USE_GCC=	yes
 USE_LDCONFIG=	yes
 INSTALL_TARGET=	install-strip
 
 WRKSRC=		${WRKDIR}/JAGS-${PORTVERSION}
 
 OPTIONS_SINGLE=	BLAS
 OPTIONS_SINGLE_BLAS=	ATLAS OPENBLAS NETLIB
 
 OPTIONS_DEFAULT+=	OPENBLAS
 
 ATLAS_USES=	blaslapack:atlas
 ATLAS_VARS=	MANUAL_PACKAGE_BUILD=\
 "Choose a BLAS option other than ATLAS for package building."
 NETLIB_USES=	blaslapack:netlib
 OPENBLAS_USES=	blaslapack:openblas
 DOCS_DISTFILES=	jags_developer_manual.pdf:3 jags_installation_manual.pdf:4 \
 		jags_user_manual.pdf:4
 DOCS_PORTDOCS=	${DISTFILES:M*[34]:C|:.*||}
 EXAMPLES_DISTFILES=	classic-bugs.tar.gz:2
 EXAMPLES_PORTEXAMPLES=	*
 
 CONFIGURE_ARGS+=	--with-blas="-L${LOCALBASE}/lib ${BLASLIB}" \
 		 --with-lapack="${LAPACKLIB}"
 
 OPTIONS_SUB=	YES
 PLIST_SUB=	MODULEVERSION=${S}
 S=		${PORTVERSION:C|\..*||}
 
 OPTIONS_DEFINE=	DOCS EXAMPLES
 
 post-patch:
 	@${REINPLACE_CMD} \
 		-e '/@WINDOWS_FALSE@bin_SCRIPTS =/s/jags/mcmc-&/' \
 		-e '/CLEANFILES =/s/jags/mcmc-&/' \
 		-e '/@WINDOWS_FALSE@jags:/s/jags/mcmc-&/' \
 		-e '/@WINDOWS_FALSE@.*rm -f jags/s/jags/mcmc-&/' \
 		-e '/@WINDOWS_FALSE@.*mv jags.tmp jags/s/jags/mcmc-&/2' \
 		${WRKSRC}/src/terminal/Makefile.in
 
 post-patch-EXAMPLES-on:
 	@${SED} -i '' -e '\|JAGS ?=|{s|jags|mcmc-&|;s|/usr/local|${PREFIX}|;}' \
 		${WRKDIR}/classic-bugs/vol[12]/Makefile
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	@cd ${_DISTDIR}; ${INSTALL_DATA} ${PORTDOCS} ${STAGEDIR}${DOCSDIR}
 
 post-install-EXAMPLES-on:
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	@cd ${WRKDIR}/classic-bugs; ${COPYTREE_SHARE} \* ${STAGEDIR}${EXAMPLESDIR}
 
 .if defined(MAINTAINER_MODE)
 BUILD_DEPENDS+=	${LOCALBASE}/lib/R/library/coda/R/coda.rdb:math/R-cran-coda
 
 check test: install
 .for i in 1 2
 	@cd ${WRKDIR}/classic-bugs/vol${i}; ${SETENV} ${MAKE_ENV} \
 	${MAKE_CMD} ${MAKE_ARGS} check
 .endfor
 	@${FIND} ${WRKDIR}/classic-bugs -type f -name check.log | ${SORT} | \
 	${XARGS} -tI @  ${CAT} @
 
 .endif
 .include <bsd.port.mk>
diff --git a/math/jags/distinfo b/math/jags/distinfo
index bf5b6ef83618..6060190beeba 100644
--- a/math/jags/distinfo
+++ b/math/jags/distinfo
@@ -1,11 +1,11 @@
-TIMESTAMP = 1518773089
-SHA256 (mcmc-jags/JAGS-4.3.0.tar.gz) = 8ac5dd57982bfd7d5f0ee384499d62f3e0bb35b5f1660feb368545f1186371fc
-SIZE (mcmc-jags/JAGS-4.3.0.tar.gz) = 2057409
+TIMESTAMP = 1650043347
+SHA256 (mcmc-jags/JAGS-4.3.1.tar.gz) = f9258355b5e9eb13bd33c5fa720f0cbebacea7d0a4a42b71b0fb14501ee14229
+SIZE (mcmc-jags/JAGS-4.3.1.tar.gz) = 2019687
 SHA256 (mcmc-jags/jags_developer_manual.pdf) = 6e7c707b94ffc931807198cc162e8b254859bb774695ae39ef1c1c175560259b
 SIZE (mcmc-jags/jags_developer_manual.pdf) = 71319
 SHA256 (mcmc-jags/jags_installation_manual.pdf) = d55bbf390d7fb1059ec7b89cb5c01bce91a1aea56e8f25ad905414a8f77a0eea
 SIZE (mcmc-jags/jags_installation_manual.pdf) = 210134
 SHA256 (mcmc-jags/jags_user_manual.pdf) = d73a023dc87654e6ae56eb27cc6dba25097e00ddd2d8f7ca2639f27d55e581a3
 SIZE (mcmc-jags/jags_user_manual.pdf) = 429729
 SHA256 (mcmc-jags/classic-bugs.tar.gz) = cbecdd184516ed1e0ed26993335c7ce6b50b85875c66a059a4ad51780547e580
 SIZE (mcmc-jags/classic-bugs.tar.gz) = 86183