Index: head/graphics/png/Makefile
===================================================================
--- head/graphics/png/Makefile	(revision 499966)
+++ head/graphics/png/Makefile	(revision 499967)
@@ -1,39 +1,39 @@
 # Created by: ache
 # $FreeBSD$
 
 PORTNAME=	png
-PORTVERSION=	1.6.36
+PORTVERSION=	1.6.37
 CATEGORIES=	graphics
 MASTER_SITES=	SF/lib${PORTNAME}/lib${PORTNAME}16/${PORTVERSION} \
 		ftp://ftp.simplesystems.org/pub/lib${PORTNAME}/${PORTNAME}/src/lib${PORTNAME}16/
 PATCH_SITES=	SF/apng/lib${PORTNAME}/lib${PORTNAME}16/
 DISTNAME=	lib${PORTNAME}-${PORTVERSION}
 
 MAINTAINER=	portmgr@FreeBSD.org
 COMMENT=	Library for manipulating PNG images
 
 LICENSE=	Libpng
 LICENSE_GROUPS=	FSF GPL OSI
 LICENSE_NAME=	libpng License
 LICENSE_FILE=	${WRKSRC}/LICENSE
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 USES=		cpe libtool tar:xz
 CPE_PRODUCT=	libpng
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-pkgconfigdir=${PREFIX}/libdata/pkgconfig
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	check-TESTS
 USE_LDCONFIG=	yes
 
 OPTIONS_DEFINE=	APNG
 OPTIONS_DEFAULT=APNG
 APNG_DESC=Enable Animated PNG support
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MAPNG} || make(makesum)
 PATCHFILES=	${DISTNAME}-apng.patch.gz
 .endif
 
 .include <bsd.port.mk>
Index: head/graphics/png/distinfo
===================================================================
--- head/graphics/png/distinfo	(revision 499966)
+++ head/graphics/png/distinfo	(revision 499967)
@@ -1,5 +1,5 @@
-TIMESTAMP = 1545245505
-SHA256 (libpng-1.6.36.tar.xz) = eceb924c1fa6b79172fdfd008d335f0e59172a86a66481e09d4089df872aa319
-SIZE (libpng-1.6.36.tar.xz) = 1012544
-SHA256 (libpng-1.6.36-apng.patch.gz) = 3cac5b8cdb850517d85a5a0da7515fa14baec7c8d1b227963d65f0797e727274
-SIZE (libpng-1.6.36-apng.patch.gz) = 10329
+TIMESTAMP = 1556098534
+SHA256 (libpng-1.6.37.tar.xz) = 505e70834d35383537b6491e7ae8641f1a4bed1876dbfe361201fc80868d88ca
+SIZE (libpng-1.6.37.tar.xz) = 1012272
+SHA256 (libpng-1.6.37-apng.patch.gz) = 10d9e0cb60e2b387a79b355eb7527c0bee2ed8cbd12cf04417cabc4d6976683c
+SIZE (libpng-1.6.37-apng.patch.gz) = 10334
Index: head/graphics/png/pkg-plist
===================================================================
--- head/graphics/png/pkg-plist	(revision 499966)
+++ head/graphics/png/pkg-plist	(revision 499967)
@@ -1,21 +1,21 @@
 bin/libpng-config
 bin/libpng16-config
 bin/png-fix-itxt
 bin/pngfix
 include/libpng16/png.h
 include/libpng16/pngconf.h
 include/libpng16/pnglibconf.h
 include/png.h
 include/pngconf.h
 include/pnglibconf.h
 lib/libpng.a
 lib/libpng.so
 lib/libpng16.a
 lib/libpng16.so
 lib/libpng16.so.16
-lib/libpng16.so.16.36.0
+lib/libpng16.so.16.37.0
 libdata/pkgconfig/libpng.pc
 libdata/pkgconfig/libpng16.pc
 man/man3/libpng.3.gz
 man/man3/libpngpf.3.gz
 man/man5/png.5.gz