diff --git a/biology/clustalw/Makefile b/biology/clustalw/Makefile
index ae3e9c26aeca..12681db40423 100644
--- a/biology/clustalw/Makefile
+++ b/biology/clustalw/Makefile
@@ -1,6 +1,6 @@
 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}/
@@ -13,6 +13,7 @@ LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 GNU_CONFIGURE=	yes
+CXXFLAGS+=	-std=c++14
 
 PLIST_FILES=	bin/clustalw bin/clustalw2
 
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