diff --git a/textproc/ruby-rdtool/Makefile b/textproc/ruby-rdtool/Makefile
index 32683baf5a2a..06a30e9a3d74 100644
--- a/textproc/ruby-rdtool/Makefile
+++ b/textproc/ruby-rdtool/Makefile
@@ -6,8 +6,7 @@
 #
 
 PORTNAME=	rdtool
-PORTVERSION=	0.6.33
-PORTREVISION=	2
+PORTVERSION=	0.6.37
 CATEGORIES=	textproc ruby
 MASTER_SITES=	https://github.com/uwabami/${PORTNAME}/tarball/v${PORTVERSION}/
 PKGNAMEPREFIX=	${RUBY_PKGNAMEPREFIX}
@@ -19,7 +18,7 @@ COMMENT=	RD to HTML/man/etc. converter (RD is to Ruby as POD is to Perl)
 
 BUILD_DEPENDS=	racc:${PORTSDIR}/devel/rubygem-racc
 
-GITVERSION=	fc69b57
+GITVERSION=	82c8c7c
 FETCH_ARGS=	-pRr
 WRKSRC=		${WRKDIR}/uwabami-${PORTNAME}-${GITVERSION}
 
@@ -32,9 +31,6 @@ RUBY_MODNAME=	rd
 DOCS_EN=	README.rd	doc/rd-draft.rd
 DOCS_JA=	README.rd.ja	doc/rd-draft.rd.ja
 
-post-build:
-	cd ${WRKSRC} && ${RAKE_BIN} racc
-
 post-install:
 	${MKDIR} ${RUBY_SITELIBDIR}/rd
 	${INSTALL_DATA} ${WRKSRC}/lib/rd/dot.rd2rc ${RUBY_SITELIBDIR}/rd/
diff --git a/textproc/ruby-rdtool/distinfo b/textproc/ruby-rdtool/distinfo
index 2b33b5dff267..6ee322c935d0 100644
--- a/textproc/ruby-rdtool/distinfo
+++ b/textproc/ruby-rdtool/distinfo
@@ -1,2 +1,2 @@
-SHA256 (ruby/uwabami-rdtool-v0.6.33-0-gfc69b57.tar.gz) = 476b501bc24cb2fb1138998e962f36be86445d4db701c89bc4e0c9d9ee3f7b31
-SIZE (ruby/uwabami-rdtool-v0.6.33-0-gfc69b57.tar.gz) = 79487
+SHA256 (ruby/uwabami-rdtool-v0.6.37-0-g82c8c7c.tar.gz) = 021cb84a402e2d7b32bc5ad1d61ce7b1624e2a91d22e7b48a3558a88f61ad486
+SIZE (ruby/uwabami-rdtool-v0.6.37-0-g82c8c7c.tar.gz) = 91065
diff --git a/textproc/ruby-rdtool/pkg-plist b/textproc/ruby-rdtool/pkg-plist
index 496536728912..51afa83a3f7c 100644
--- a/textproc/ruby-rdtool/pkg-plist
+++ b/textproc/ruby-rdtool/pkg-plist
@@ -7,6 +7,7 @@ bin/rdswap
 %%RUBY_SITELIBDIR%%/rd/dot.rd2rc
 %%RUBY_SITELIBDIR%%/rd/element.rb
 %%RUBY_SITELIBDIR%%/rd/filter.rb
+%%RUBY_SITELIBDIR%%/rd/head-filter.rb
 %%RUBY_SITELIBDIR%%/rd/inline-element.rb
 %%RUBY_SITELIBDIR%%/rd/labeled-element.rb
 %%RUBY_SITELIBDIR%%/rd/list.rb
@@ -18,6 +19,8 @@ bin/rdswap
 %%RUBY_SITELIBDIR%%/rd/rbl-file.rb
 %%RUBY_SITELIBDIR%%/rd/rbl-suite.rb
 %%RUBY_SITELIBDIR%%/rd/rd-struct.rb
+%%RUBY_SITELIBDIR%%/rd/rd2html-ext-lib.rb
+%%RUBY_SITELIBDIR%%/rd/rd2html-ext-opt.rb
 %%RUBY_SITELIBDIR%%/rd/rd2html-lib.rb
 %%RUBY_SITELIBDIR%%/rd/rd2html-opt.rb
 %%RUBY_SITELIBDIR%%/rd/rd2man-lib.rb