diff --git a/math/gh-bc/Makefile b/math/gh-bc/Makefile
index 5ee7f9e2cebc..c634b7810897 100644
--- a/math/gh-bc/Makefile
+++ b/math/gh-bc/Makefile
@@ -1,47 +1,47 @@
 # $FreeBSD$
 
 PORTNAME=	bc
-PORTVERSION=	3.3.4
+PORTVERSION=	4.0.0
 CATEGORIES=	math lang
 PKGNAMEPREFIX=	gh-
 
 MAINTAINER=	se@FreeBSD.org
 COMMENT=	GNU compatible bc/dc calculator
 
 LICENSE=	BSD2CLAUSE MIT
 LICENSE_COMB=	multi
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
 USES=		compiler
 USE_GITHUB=	yes
 GH_ACCOUNT=	gavinhoward
 
 HAS_CONFIGURE=	yes
 CONFIGURE_SCRIPT=	configure.sh
 CONFIGURE_ARGS=	-G
 
 .include <bsd.port.pre.mk>
 
 .if ${CHOSEN_COMPILER_TYPE} == gcc && ${COMPILER_VERSION} <= 42
 CFLAGS+=	--std=c99
 .endif
 
 CONFLICTS_INSTALL=	gnubc-[0-9]*
 
 pre-build:
 		${INSTALL_SCRIPT} ${WRKSRC}/gen/strgen.sh ${WRKSRC}/gen/strgen
 
 do-install:
 		${INSTALL_PROGRAM} ${WRKSRC}/bin/bc ${STAGEDIR}${PREFIX}/bin/
 		${LN} ${STAGEDIR}${PREFIX}/bin/bc ${STAGEDIR}${PREFIX}/bin/dc
 		${INSTALL_MAN} ${WRKSRC}/manuals/bc.1 ${STAGEDIR}${MANPREFIX}/share/man/man1
 		${INSTALL_MAN} ${WRKSRC}/manuals/dc.1 ${STAGEDIR}${MANPREFIX}/share/man/man1
 		${MKDIR} ${STAGEDIR}${PREFIX}/share/nls/C
 		${WRKSRC}/locale_install.sh ${STAGEDIR}${PREFIX}/share/nls/%L/%N.cat ${PORTNAME}
 		${MV} ${STAGEDIR}${PREFIX}/share/nls/en_US/bc.cat ${STAGEDIR}${PREFIX}/share/nls/C/
 		${RMDIR} ${STAGEDIR}${PREFIX}/share/nls/en_US
 
 do-test:
 		${MAKE} -C ${WRKSRC} test
 
 .include <bsd.port.post.mk>
diff --git a/math/gh-bc/distinfo b/math/gh-bc/distinfo
index cabb0c42e387..39e009cac9c5 100644
--- a/math/gh-bc/distinfo
+++ b/math/gh-bc/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1616142170
-SHA256 (gavinhoward-bc-3.3.4_GH0.tar.gz) = e9e08ec6b09d82333d1e0ad49bb0e65ef5a3b8d7d70f474032a7a1b316c8f6dc
-SIZE (gavinhoward-bc-3.3.4_GH0.tar.gz) = 1123348
+TIMESTAMP = 1617650449
+SHA256 (gavinhoward-bc-4.0.0_GH0.tar.gz) = 5a76f2ea32f4ac35b2341858897a3d3fa45cd9fc5afbffad314c309a2a84603d
+SIZE (gavinhoward-bc-4.0.0_GH0.tar.gz) = 1139392