diff --git a/biology/clustalw/Makefile b/biology/clustalw/Makefile
index ae3e9c26aeca..12681db40423 100644
--- a/biology/clustalw/Makefile
+++ b/biology/clustalw/Makefile
@@ -1,22 +1,23 @@
 PORTNAME=	clustalw
 PORTVERSION=	2.1
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	biology
 MASTER_SITES=	ftp://ftp.ebi.ac.uk/pub/software/clustalw2/${PORTVERSION}/ \
 		http://www.clustal.org/download/${PORTVERSION}/
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Multiple alignment program for DNA or proteins
 WWW=		http://www.clustal.org/
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 GNU_CONFIGURE=	yes
+CXXFLAGS+=	-std=c++14
 
 PLIST_FILES=	bin/clustalw bin/clustalw2
 
 post-install:
 	${LN} -sf clustalw2 ${STAGEDIR}${PREFIX}/bin/clustalw
 
 .include <bsd.port.mk>
diff --git a/biology/clustalw/distinfo b/biology/clustalw/distinfo
index cabc1ee6120f..f7a1333ae0c1 100644
--- a/biology/clustalw/distinfo
+++ b/biology/clustalw/distinfo
@@ -1,2 +1,3 @@
+TIMESTAMP = 1689463032
 SHA256 (clustalw-2.1.tar.gz) = e052059b87abfd8c9e695c280bfba86a65899138c82abccd5b00478a80f49486
 SIZE (clustalw-2.1.tar.gz) = 350761