Index: head/science/udunits/Makefile
===================================================================
--- head/science/udunits/Makefile	(revision 432135)
+++ head/science/udunits/Makefile	(revision 432136)
@@ -1,31 +1,31 @@
 # Created by: Greg Lewis <glewis@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	udunits
-PORTVERSION=	2.2.21
+PORTVERSION=	2.2.23
 CATEGORIES=	science math
 MASTER_SITES=	ftp://ftp.unidata.ucar.edu/pub/udunits/ \
 		LOCAL/sunpoet
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Library for manipulating units of physical quantities
 
 LIB_DEPENDS=	libexpat.so:textproc/expat2
 
 OPTIONS_DEFINE=	DOCS
 
 CONFIGURE_ENV=	ac_cv_header_CUnit_CUnit_h=no
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	check
 USE_LDCONFIG=	yes
 USES=		libtool localbase
 
 INFO=		udunits2 udunits2lib udunits2prog
 PORTDATA=	*
 PORTDOCS=	*
 
 post-patch:
 	@${REINPLACE_CMD} -e '/install-data-hook$$/d' ${WRKSRC}/lib/Makefile.in
 
 .include <bsd.port.mk>
Index: head/science/udunits/distinfo
===================================================================
--- head/science/udunits/distinfo	(revision 432135)
+++ head/science/udunits/distinfo	(revision 432136)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1484060082
-SHA256 (udunits-2.2.21.tar.gz) = 9b75f5ff0484adddbaf04924e8af3d3c9fb4b31cc5524c3d4b80b4c1307d1a7d
-SIZE (udunits-2.2.21.tar.gz) = 1000402
+TIMESTAMP = 1485066732
+SHA256 (udunits-2.2.23.tar.gz) = 797227219df63df5e6cca3e3ca98245781e56f2334bf73649bee63b4b31c4979
+SIZE (udunits-2.2.23.tar.gz) = 1006611