diff --git a/graphics/libmng/Makefile b/graphics/libmng/Makefile
index 8c5bb6290cf7..138ba866fce3 100644
--- a/graphics/libmng/Makefile
+++ b/graphics/libmng/Makefile
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	libmng
-PORTVERSION=	1.0.3
+PORTVERSION=	1.0.4
 CATEGORIES=	graphics
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE} \
 		http://www.libmng.com/download/
diff --git a/graphics/libmng/distinfo b/graphics/libmng/distinfo
index d93330bf37ae..2fdbffa31c90 100644
--- a/graphics/libmng/distinfo
+++ b/graphics/libmng/distinfo
@@ -1 +1 @@
-MD5 (libmng-1.0.3.tar.gz) = 07354969078f4c46d9f6513b8fcc48c3
+MD5 (libmng-1.0.4.tar.gz) = 46b909bc824b6136805021aaa6bb8360