diff --git a/textproc/rubygem-asciidoctor-epub3/Makefile b/textproc/rubygem-asciidoctor-epub3/Makefile
index 176c33441934..56110f1ea032 100644
--- a/textproc/rubygem-asciidoctor-epub3/Makefile
+++ b/textproc/rubygem-asciidoctor-epub3/Makefile
@@ -1,24 +1,24 @@
 PORTNAME=	asciidoctor-epub3
-PORTVERSION=	1.5.1
+PORTVERSION=	2.1.0
 CATEGORIES=	textproc rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	doceng@FreeBSD.org
 COMMENT=	Convert AsciiDoc documents to EPUB3
 WWW=		https://github.com/asciidoctor/asciidoctor-epub3
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	rubygem-asciidoctor>=1.5.6<3:textproc/rubygem-asciidoctor \
+RUN_DEPENDS=	rubygem-asciidoctor>=2.0<3:textproc/rubygem-asciidoctor \
 		rubygem-mime-types>=3.0:misc/rubygem-mime-types \
-		rubygem-gepub>=1.0.0:textproc/rubygem-gepub
+		rubygem-gepub>=1.0.0:textproc/rubygem-gepub \
+		rubygem-sass>0:textproc/rubygem-sass
 
 USES=		gem
 
 NO_ARCH=	yes
 
-PLIST_FILES=	bin/asciidoctor-epub3 \
-		bin/adb-push-ebook
+PLIST_FILES=	bin/asciidoctor-epub3
 
 .include <bsd.port.mk>
diff --git a/textproc/rubygem-asciidoctor-epub3/distinfo b/textproc/rubygem-asciidoctor-epub3/distinfo
index 1e34781a844d..d031cec62c53 100644
--- a/textproc/rubygem-asciidoctor-epub3/distinfo
+++ b/textproc/rubygem-asciidoctor-epub3/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1629945100
-SHA256 (rubygem/asciidoctor-epub3-1.5.1.gem) = efff22bcd2e8562f8ab0df7e13de0247dd8edb3fc41e6286b36ca330c5a69e16
-SIZE (rubygem/asciidoctor-epub3-1.5.1.gem) = 2051072
+TIMESTAMP = 1707781817
+SHA256 (rubygem/asciidoctor-epub3-2.1.0.gem) = 63b2ea4851ebc9457cf98b6754708853a62858e37b007baff2118776f7aacaab
+SIZE (rubygem/asciidoctor-epub3-2.1.0.gem) = 2049536