diff --git a/textproc/rubygem-rdtool/Makefile b/textproc/rubygem-rdtool/Makefile
index 0f74585bc380..234748a00d22 100644
--- a/textproc/rubygem-rdtool/Makefile
+++ b/textproc/rubygem-rdtool/Makefile
@@ -1,22 +1,25 @@
 PORTNAME=	rdtool
-PORTVERSION=	0.6.38
-PORTREVISION=	3
+PORTVERSION=	0.6.39
 CATEGORIES=	textproc ruby
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	RD to HTML/man/etc. converter (RD is to Ruby as POD is to Perl)
 WWW=		https://github.com/uwabami/rdtool
 
-LICENSE=	GPLv2 GPLv3 RUBY
+LICENSE=	GPLv2+ RUBY
 LICENSE_COMB=	dual
+LICENSE_FILE_GPLv2+ =	${WRKSRC}/COPYING.txt
+LICENSE_FILE_RUBY=	${WRKSRC}/LICENSE.txt
+
+RUN_DEPENDS=	rubygem-nkf>=0.1<1.0:net/rubygem-nkf
 
 NO_ARCH=	yes
 
 USES=		gem shebangfix
 SHEBANG_FILES=	bin/rd2 bin/rdswap.rb
 ruby_OLD_CMD=	/usr/bin/ruby1.9.1
 
 PLIST_FILES=	bin/rd2 bin/rdswap.rb
 
 .include <bsd.port.mk>
diff --git a/textproc/rubygem-rdtool/distinfo b/textproc/rubygem-rdtool/distinfo
index 24573fc46ac3..f81e36205f4a 100644
--- a/textproc/rubygem-rdtool/distinfo
+++ b/textproc/rubygem-rdtool/distinfo
@@ -1,2 +1,3 @@
-SHA256 (rubygem/rdtool-0.6.38.gem) = d9d32e215c1958847001ca5940ad42aa8bcbdf984436f1235b9dbd300e4c74bc
-SIZE (rubygem/rdtool-0.6.38.gem) = 115712
+TIMESTAMP = 1777252940
+SHA256 (rubygem/rdtool-0.6.39.gem) = 124ebbf4558d2e03ddf796118473c991e96ea4c73925682b54de69d0b6d6a6d2
+SIZE (rubygem/rdtool-0.6.39.gem) = 120832