diff --git a/graphics/povray/Makefile b/graphics/povray/Makefile
index f10055135f8..2611543dc23 100644
--- a/graphics/povray/Makefile
+++ b/graphics/povray/Makefile
@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.31 2016/11/01 17:46:09 naddy Exp $
+# $OpenBSD: Makefile,v 1.32 2016/12/31 17:52:13 naddy Exp $
 
 COMMENT=	3D image rendering package
 
 DISTNAME=	povray-3.6.1
-REVISION=	7
+REVISION=	8
 CATEGORIES=	graphics
 
 HOMEPAGE=	http://www.povray.org/
@@ -20,7 +20,7 @@ EXTRACT_SUFX=		.tar.bz2
 # We replace the included ancient copy of libpng with a later release
 # from the 1.2 branch.
 EXTRACT_ONLY=		${DISTNAME}${EXTRACT_SUFX}
-PNG_V=			1.2.56
+PNG_V=			1.2.57
 MASTER_SITES0=		${MASTER_SITE_SOURCEFORGE:=libpng/}
 DISTFILES=		${EXTRACT_ONLY} libpng-${PNG_V}.tar.gz:0
 
diff --git a/graphics/povray/distinfo b/graphics/povray/distinfo
index 8f5dd834cba..49a5cda19dd 100644
--- a/graphics/povray/distinfo
+++ b/graphics/povray/distinfo
@@ -1,4 +1,4 @@
-SHA256 (libpng-1.2.56.tar.gz) = A2b5MogwhKaXLvqOrfqlWE6Up8nIaCpJWQdZlRUYgB8=
+SHA256 (libpng-1.2.57.tar.gz) = Cew3hp/FsTD16wb/ub+Ul5bo0teOB4j3irHHhiTG6do=
 SHA256 (povray-3.6.1.tar.bz2) = Top/7NRIBzQ7aGfh8kQKoOCWE9bWmnOFrEj05edzenM=
-SIZE (libpng-1.2.56.tar.gz) = 1114806
+SIZE (libpng-1.2.57.tar.gz) = 1117198
 SIZE (povray-3.6.1.tar.bz2) = 8200160